CN210218243U - Gas compressor - Google Patents
Gas compressor Download PDFInfo
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- CN210218243U CN210218243U CN201920975862.4U CN201920975862U CN210218243U CN 210218243 U CN210218243 U CN 210218243U CN 201920975862 U CN201920975862 U CN 201920975862U CN 210218243 U CN210218243 U CN 210218243U
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- air inlet
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Abstract
The utility model discloses a gas compressor, its technical scheme main points are including the gas compressor casing that is provided with the casing entrance point and fixing the inboard amortization ring of casing entrance point, be provided with the air inlet in the casing entrance point, be provided with the circulation chamber in the casing entrance point, the circulation chamber is kept away from the one end of amortization ring be provided with the air inlet intercommunication and for the gas admission circulation groove in the circulation chamber, the amortization ring with be provided with the intercommunication between the casing entrance point the circulation chamber other end with the collecting groove of air inlet. The utility model discloses have the order and get into the circulation intracavity through the guide entering circulation groove of air inlet in the casing entrance point of compressor housing, and then the groove that converges of rethread circulation chamber one end converges with the gas through the air inlet, prolongs gaseous circulation path, and then reaches and makes gas have sufficient time to weaken the influence that the turbulent flow in the cavity brought, effective noise reduction when improving booster surge performance.
Description
Technical Field
The utility model relates to a turbo charger's technical field, more specifically says that it relates to a compressor.
Background
Because the performance of the vehicle engine is improved, the working range of the supercharger needs to be gradually widened, but the surge of the compressor is a stumbling stone along with the development of the performance of the compressor, influences the stability of the airflow when the turbocharger works, and finally influences the improvement of the working range of the whole engine.
Chinese patent No. CN205841322U discloses a turbocharger compressor volute with noise reduction function, which includes a housing, and an air inlet passage with openings at two ends is provided on the housing; the shell is also provided with a plurality of annular silencing cavities which surround the air inlet channel and are arranged at intervals along the axial direction, and the adjacent annular silencing cavities are communicated through a plurality of silencing holes B; the air inlet section is provided with a plurality of silencing holes A for communicating the annular silencing cavity closest to the air inlet edge of the air inlet section with the air inlet channel; the shell is also provided with a secondary air inlet groove which is used for communicating the air inlet channel with the annular silencing cavity farthest away from the air inlet edge of the air inlet section.
However, the gas in the compressor volute sequentially passes through the first cavity, the second cavity and the third cavity after entering the silencing hole A and then is discharged from the secondary gas inlet groove, so that the turbulence and the compressor surge generated in the radial direction are difficult to be effectively weakened, and the improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a compressor, this compressor has the effect that improves booster surge performance and noise reduction.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a gas compressor, is including the compressor housing that is provided with the casing entrance point and fix the inboard amortization ring of casing entrance point, be provided with the air inlet in the casing entrance point, be provided with the circulation chamber in the casing entrance point, the circulation chamber is kept away from the one end of amortization ring be provided with the air inlet intercommunication and for the gas entering circulation groove in the circulation chamber, the amortization ring with be provided with the intercommunication between the casing entrance point circulation chamber other end with the groove that converges of air inlet.
Through adopting above-mentioned technical scheme, will make the part gas that gets into in the casing entrance point of compressor housing through the air inlet will get into the circulation chamber because of the guide of circulation groove, and then the groove that converges of rethread circulation chamber one end converges with the gas through the air inlet, prolongs gaseous circulation path, and then reaches the influence that makes gas have sufficient time to weaken the turbulent flow in the cavity and bring, effectively noise reduction when improving booster surge performance.
The utility model discloses further set up to: and a pit is arranged at one end of the circulating cavity, which is close to the silencing ring.
Through adopting above-mentioned technical scheme, the pit carries out compression pressure boost to circulating air, plays the effect that surge and noise that further reduces the gas turbulence collision and produce.
The utility model discloses further set up to: and the bottom side wall of the pit is arc-shaped.
By adopting the technical scheme, the arc-shaped bottom side wall can effectively prolong the gas circulation path of the pit in the gas flow, so that the gas has enough time to weaken the influence caused by the turbulent flow in the cavity, and the noise is effectively reduced while the purpose of improving the surge performance of the supercharger is achieved.
The utility model discloses further set up to: and the inner side of the silencing ring is provided with a cambered surface connected with the bottom side wall of the pit.
Through adopting above-mentioned technical scheme for the atress of amortization ring is located through the centre of a circle, reduces the uneven phenomenon of atress on the amortization ring, and the arc shape makes the gas velocity of flow of this department more steady, not only is favorable to circulating gas's compression, can also reduce the turbulent flow that the collision between the gas produced, and then effective noise reduction when reaching the purpose of weakening the amortization ring vibration.
The utility model discloses further set up to: the silencing ring is provided with a side arc surface which is connected with the arc connecting surface and forms a confluence groove with the inlet end of the shell.
Through adopting above-mentioned technical scheme for the amortization ring that has the side cambered surface that is circular-arc forms beta structure with the combination of compressor, when the air current passes through the groove that converges, directly converges with the air that gets into in this casing entrance point through the air inlet, effectively avoids the influence that radial direction's gas converges, and then reaches the purpose that reduces vibration and noise reduction.
The utility model discloses further set up to: the air inlet direction of the circulation groove is crossed with the air inlet direction of the air inlet to form an obtuse angle, and the air outlet direction of the confluence groove is crossed with the air inlet direction of the air inlet to form an acute angle.
Through adopting above-mentioned technical scheme, the air that effectively drives to get into in this casing entrance point through the air inlet gets into the circulation intracavity through the circulation groove, and then steadily joins with the air that gets into in this casing entrance point through the air inlet after looping through the pit and converging the groove for the atress of amortization ring is even, and reaches effectual noise reduction's purpose when reducing the vibration.
The utility model discloses further set up to: the outer side of the silencing ring is provided with a connecting step, and the inlet end of the shell is provided with a fixing step matched with the connecting step and a positioning pin for connecting the inlet end of the shell with the silencing ring.
By adopting the technical scheme, the silencing ring and the shell inlet end are connected in a matched mode through the matched connecting step and the fixed step, and the silencing ring and the shell inlet end are fixedly connected through the positioning pin to remarkably improve the installation convenience of the silencing ring and the shell inlet end and the connection and fixation stability.
The utility model discloses further set up to: the confluence groove is an arc-shaped groove.
Through adopting above-mentioned technical scheme, effectively avoid converging the groove sharp most advanced appears, and make this department atress through circular-arc fluting and locate through the centre of a circle, the uneven phenomenon of atress on the noise ring point end that subtracts disappears, and then when avoiding radial gas interference, effectively increase the intensity of tip, make gaseous more steady with get into the air in the casing entrance point through the air inlet and join, reduce the noise that collision between gases produced.
To sum up, the utility model discloses following beneficial effect has:
1. the surge performance of the supercharger is effectively improved, and the noise is reduced;
2. the deep pit is formed by assembling the silencing ring and the pressure shell, and the circulating air is compressed and pressurized by adopting a deep pit structure with an arc-shaped bottom side wall, so that surge and noise generated by gas turbulence collision are reduced, and further, when a gas circulating path is prolonged, gas has enough time to weaken the influence caused by turbulence in the cavity;
3. the confluence groove adopts a folding structure, so that the force generated in the radial direction is effectively reduced, and the purpose of effectively reducing noise is achieved when the vibration is reduced.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Description of reference numerals: 1. a compressor housing; 11. a housing inlet end; 12. an air inlet; 13. a circulation tank; 14. a circulation chamber; 15. deep pit; 16. a confluence groove; 17. fixing the step; 2. a sound deadening ring; 21. connecting an arc surface; 22. a side arc surface; 23. a connection stage; 3. and a positioning pin.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the compressor comprises a compressor housing 1 provided with a housing inlet end 11 and a sound-deadening ring 2 fixed inside the housing inlet end 11. The housing inlet end 11 is provided with an air inlet 12 and a circulation chamber 14 inside the housing inlet end 11. A circulating groove 13 which is communicated with the air inlet 12 and is used for air to enter the circulating cavity 14 is arranged at one end of the circulating cavity 14 far away from the silencing ring 2, and a confluence groove 16 which is communicated with the other end of the circulating cavity 14 and the air inlet 12 is arranged between the silencing ring 2 and the inlet end 11 of the shell. Therefore, after the gas enters the shell inlet end 11 of the compressor shell 1 through the gas inlet 12, part of the gas enters the circulation cavity 14 through the guide of the circulation groove 13, and then flows together with the gas passing through the gas inlet 12 through the confluence groove 16 at one end of the circulation cavity 14, so that the circulation path of the gas is prolonged, the gas has enough time to weaken the influence caused by turbulent flow in the cavity, and the surge performance of the supercharger is improved while the noise is effectively reduced.
As shown in fig. 1 and 2, a pit 15 is provided at one end of the circulation chamber 14 near the muffler ring 2. The bottom side wall of the pit 15 is arc-shaped, so that the pit 15 compresses and pressurizes circulating air, and the effects of further reducing surge and noise generated by gas turbulence collision are achieved; and the arc-shaped bottom side wall can effectively prolong the gas circulation path of the pit 15 in the gas flow, and the gas has enough time to weaken the influence caused by turbulent flow in the cavity, thereby effectively reducing the noise while achieving the purpose of improving the surge performance of the supercharger. It should be mentioned that inside the sound-deadening ring 2, there are provided a catch arc surface 21 connected to the bottom side wall of the pit 15 and a side arc surface 22 connected to the catch arc surface 21 and forming the merging groove 16 with the housing inlet end 11. The setting through connecing cambered surface 21 will make the atress of amortization ring 2 through centre of a circle department, avoids producing the uneven phenomenon of atress on amortization ring 2, and the arc shape connect cambered surface 21 will make the gas velocity of flow of this department more steady, not only is favorable to circulating gas's compression, can also reduce the turbulent flow that the collision between the gas produced, and then effective noise reduction when reaching and weakening 2 vibration purposes of amortization ring. Correspondingly, the side arc surface 22 is combined between the silencing ring 2 and the compressor to form a folding structure through the arc-shaped characteristic, and then when the airflow passes through the confluence groove 16, the airflow is directly converged with the air entering the inlet end 11 of the shell through the air inlet 12, so that the influence of gas convergence in the radial direction is effectively avoided, and the aims of reducing vibration and reducing noise are achieved. Meanwhile, this groove 16 that converges is circular-arc fluting, and then will play through its circular-arc slotted design and effectively avoid converging groove 16 sharp most advanced effect appearing, and make this department atress through circular-arc fluting centre of a circle department, the uneven phenomenon of atress on the 2 pointed ends of noise attenuation sound ring, and then when avoiding radial gaseous interference, effectively increase the intensity of tip, make gaseous more steady with get into the air in the casing entrance point 11 through air inlet 12 and converge, reduce the noise that collision between gas produced.
It is to be mentioned that the intake direction of the circulation tank 13 intersects with the intake direction of the intake port 12 and forms an obtuse angle; and the direction of giving vent to anger of groove 16 and the direction of admitting air of air inlet 12 intersect and form the acute angle, and then will play the effect that the air that effectively drives and get into this casing entrance point 11 through air inlet 12 gets into circulation chamber 14 through circulation groove 13, and then steadily joins with the air that gets into this casing entrance point 11 through air inlet 12 after looping through pit 15 and groove 16 that converges for the atress of amortization ring 2 is even, and reaches the purpose of effectual noise reduction when reducing the vibration.
As shown in fig. 1 and 2, a connecting step 23 is provided on the outer side of the muffler ring 2. And a fixing step 17 matched with the connecting step 23 and a positioning pin 3 for connecting the shell inlet end 11 and the silencing ring 2 are arranged at the shell inlet end 11. The silencing ring 2 and the shell inlet end 11 are connected in a matched mode through the matched connecting step 23 and the fixed step 17, and the silencing ring 2 and the shell inlet end 11 are fixedly connected through the positioning pin 3 to play a role in remarkably improving the installation convenience and the connection fixing stability of the silencing ring 2 and the shell inlet end 11.
The above is only the preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above embodiments, but all the cases belong to the technical solution of the present invention under the thought all belong to the protection scope of the present invention. It should be noted that modifications and decorations, which would occur to those skilled in the art without departing from the principle of the present invention, should also be considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides a compressor, is including being provided with compressor casing (1) of casing entrance point (11) and fixing noise reduction ring (2) inboard of casing entrance point (11), be provided with air inlet (12) in casing entrance point (11), its characterized in that: be provided with circulation chamber (14) in casing entrance point (11), circulation chamber (14) are kept away from the one end of amortization ring (2) be provided with air inlet (12) intercommunication and for the gas entering circulation groove (13) in chamber (14), amortization ring (2) with be provided with the intercommunication between casing entrance point (11) circulation chamber (14) the other end with converge groove (16) of air inlet (12).
2. An air compressor as claimed in claim 1, characterized in that: and a pit (15) is arranged at one end of the circulating cavity (14) close to the silencing ring (2).
3. An air compressor according to claim 2, characterized in that: the bottom side wall of the pit (15) is arc-shaped.
4. A compressor as claimed in claim 3, characterised in that: and a cambered surface (21) connected with the bottom side wall of the pit (15) is arranged on the inner side of the silencing ring (2).
5. An air compressor according to claim 4, characterized in that: the silencing ring (2) is provided with a side arc surface (22) which is connected with the arc connecting surface (21) and forms a confluence groove (16) with the inlet end (11) of the shell.
6. An air compressor as claimed in claim 1, characterized in that: the air inlet direction of the circulation groove (13) is crossed with the air inlet direction of the air inlet (12) to form an obtuse angle, and the air outlet direction of the confluence groove (16) is crossed with the air inlet direction of the air inlet (12) to form an acute angle.
7. An air compressor as claimed in claim 1, characterized in that: the outer side of the silencing ring (2) is provided with a connecting step (23), and the shell inlet end (11) is provided with a fixing step (17) matched with the connecting step (23) and a positioning pin (3) for connecting the shell inlet end (11) with the silencing ring (2).
8. An air compressor as claimed in claim 1, characterized in that: the confluence groove (16) is an arc-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920975862.4U CN210218243U (en) | 2019-06-26 | 2019-06-26 | Gas compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920975862.4U CN210218243U (en) | 2019-06-26 | 2019-06-26 | Gas compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210218243U true CN210218243U (en) | 2020-03-31 |
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ID=69934235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920975862.4U Active CN210218243U (en) | 2019-06-26 | 2019-06-26 | Gas compressor |
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| Country | Link |
|---|---|
| CN (1) | CN210218243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738320A (en) * | 2022-03-25 | 2022-07-12 | 潍柴动力股份有限公司 | Flow guide ring and gas compressor |
-
2019
- 2019-06-26 CN CN201920975862.4U patent/CN210218243U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738320A (en) * | 2022-03-25 | 2022-07-12 | 潍柴动力股份有限公司 | Flow guide ring and gas compressor |
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