CN207363956U - Automobile turbocharger compressor casing - Google Patents
Automobile turbocharger compressor casing Download PDFInfo
- Publication number
- CN207363956U CN207363956U CN201721135197.5U CN201721135197U CN207363956U CN 207363956 U CN207363956 U CN 207363956U CN 201721135197 U CN201721135197 U CN 201721135197U CN 207363956 U CN207363956 U CN 207363956U
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- CN
- China
- Prior art keywords
- wall
- gas diffusion
- expander
- casing
- cooling water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of automobile turbocharger compressor casing, including casing outer wall, casing inner wall and the air inlet being respectively arranged in casing inner wall, inlet channel, gas diffusion passage, compressor casing runner and gas outlet, inlet channel is connected with air inlet, gas diffusion passage connects inlet channel and compressor casing runner, gas diffusion inner wall is equipped with the gas diffusion passage of casing inner wall, gas diffusion inner wall is equipped with several anti-expanders, and anti-expander includes the surface being recessed inwardly.Extend after gas diffusion inner wall expanded by heating into the concave space of anti-expander, so as to reduce its length expanded to impeller direction, prevent that high-speed rotating impeller from contacting with the gas diffusion inner wall after expansion and causes gas diffusion inner wall or damage in impeller；Meanwhile the contact area of anti-expander and air increases, and plays the role of heat dissipation.The slotted vane of anti-expander extends along inlet channel to gas diffusion passage, has gas flow guiding effect concurrently.
Description
Technical field
The utility model belongs to technical field of automobile accessories, and in particular to a kind of automobile turbocharger compressor casing.
Background technology
Automobile turbocharger makes the exhaust gas using engine discharge, promotes the turbine wheel at turbine exhaust end, and is allowed to
Rotation, thus just can drive the compressor impeller for the opposite side being attached thereto to rotate at the same time.Compressor impeller is air from inlet air
Mouth forces inspiration, and after the rotary compression of blade, enters back into the increasing diffusion passage outflow of caliber, these are compressed
Air is injected into combustor inner cylinder.
Impeller in the compressor casing and casing of automobile turbocharger is generally made of die casting mode, and material is mostly
Heat conductivility is good and aluminium with higher thermal expansion coefficient (mean thermal expansion coefficients is 23 × 10-6/ DEG C), the course of work
In, the component such as engine produces amount of heat, and the exhaust gas temperature that it is discharged is excessive, due to the effect expanded with heat and contract with cold, compressor casing
Interior component expanded by heating, causes the fit clearance between component to reduce, abrasion aggravation.It is wherein more prominent for gas diffusion
Clearance fit between passage and impeller produces abrasion because material expands, and service life and the compressor for reducing impeller are whole
The stability and reliability of body performance.
Therefore it is badly in need of that a kind of anti-expansion character is good, automobile turbocharger compressor casing of stable and reliable operation.
Utility model content
The purpose of this utility model is to provide that a kind of anti-expansion character is good, automobile turbocharger pressure of stable and reliable operation
Mechanism of qi shell.
The utility model provides following technical solution：
A kind of automobile turbocharger compressor casing, including casing outer wall, casing inner wall and be respectively arranged in casing inner wall
Air inlet, inlet channel, gas diffusion passage, compressor casing runner and gas outlet, inlet channel be connected with air inlet, gas
Diffusion passage connects inlet channel and compressor casing runner, and gas diffusion inner wall is equipped with the gas diffusion passage of casing inner wall,
Gas diffusion inner wall is equipped with several anti-expanders, and anti-expander includes the surface being recessed inwardly.Work as high temperature and high pressure gas
When entering compressor casing through inlet channel, extend after gas diffusion inner wall expanded by heating into the concave space of anti-expander, from
And reduce its to impeller direction expand length, prevent high-speed rotating impeller with expand after gas diffusion inner wall contact and
Cause gas diffusion inner wall or damage in impeller；Meanwhile the contact area of anti-expander and air increases, and further increases machine
Shell heating surface area, plays the role of heat dissipation.
Preferably, anti-expander is channel form structure, and anti-expander is equipped with the slotted vane of strip arranged in parallel.Strip
Slotted vane there is good anti-expansion effect, neat and consistent is easy to process.
Preferably, slotted vane extends along inlet channel to gas diffusion passage.The extending direction and gas stream of strip slotted vane
To identical, so as to have heat dissipation and guide functions concurrently.
Preferably, anti-expander is column structure, several anti-expanders are uniformly distributed on gas diffusion inner wall.Column
Anti- expander further increase the area of gas diffusion inner wall so that anti-expansion is more preferable with heat dissipation effect.
Preferably, the form processing of anti-expander is：Anti- expander is molded with aluminium alloy casing integral die-cast, easy to machinery
Processing, and simple to install.
Preferably, the form processing of anti-expander is：Gas diffusion inner wall is equipped with the inner wall groove coordinated with anti-expander,
Anti- expander includes the aluminum thin plate sheet in fin-shaped arrangement, and aluminum thin plate sheet is removably installed in inner wall groove.Aluminum thin plate
Piece one bending forming, is removably installed in inner wall groove, greasy dirt in replacement and cleaning groove easy to repair.
Preferably, the cooling water cavity of annular is equipped between casing outer wall and casing inner wall, cooling water cavity is arranged at gas expansion
Press at inner wall, cooling water cavity includes cooling water inlet and cooling water outlet, and cooling water inlet is arranged at casing with cooling water outlet
On outer wall.Cooling water is entered in cooling water cavity by cooling water inlet, is cooled down to casing, and part cooling water is mutually changed into after absorbing heat
Steam, is discharged by cooling water outlet in time after steam expansion, while to cooling water inlet moisturizing, casing circulate cold
But, cooling effectiveness is improved；Meanwhile open cooling water cavity is set, prevent cooling water to be heated as after water vapour in intracavitary
Expansion, causes the security incidents such as cooling water cavity explosion.
The beneficial effects of the utility model are：
The 1st, anti-expander is set at gas diffusion vias inner walls and impeller clearance cooperation, prevent gas diffusion inner wall to be heated
Expand and produce friction with impeller, cause inner wall or damage in impeller, improve the service life and stability of compressor casing.
2nd, anti-expander is arranged to ditch flute profile or cylindricality, and the slotted vane direction of the anti-expander of ditch flute profile is set and air-flow
Direction is identical, has had heat dissipation and water conservancy diversion effect concurrently.
3rd, between casing outer wall and casing inner wall be equipped with annular cooling water cavity, casing outer wall be equipped with cooling water inlet and
Export, improve cooling cycle effect, while avoid cooling water evaporation to cause the security incidents such as explosion.
Brief description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form the limitation to the utility model.In the accompanying drawings：
Fig. 1 is the schematic cross-sectional view of the utility model；
Fig. 2, Fig. 3 are the structure diagrams of the utility model embodiment 2；
Fig. 4 is the structure diagram of the anti-expander of 1 channel form of the utility model embodiment；
Fig. 5 is the structure diagram that Fig. 4 is seen by right front；
The structure diagram of the anti-expander of 1 column of Fig. 6 the utility model embodiments；
Fig. 7 is the intake-outlet structure diagram of the utility model cooling water pump.
Wherein：1. air inlet；2. inlet channel；3. gas diffusion passage；4. compressor casing runner；5. gas outlet；It is 6. cold
But water cavity；61. cooling water inlet；62. cooling water outlet；7. casing outer wall；8. casing inner wall；81. gas diffusion inner wall；811.
Anti- expander；8111. slotted vane；8112. aluminum thin plate sheet；812. inner wall groove.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of automobile turbocharger compressor casing, including casing outer wall 7, casing inner wall 8 and set respectively
In the air inlet 1 in casing inner wall 8, inlet channel 2, gas diffusion passage 3, compressor casing runner 4 and gas outlet 5, air inlet is led to
Road 2 is connected with air inlet 1, and gas diffusion passage 3 connects inlet channel 2 and compressor casing runner 4, and the gas of casing inner wall 8 expands
Gas diffusion inner wall 81 is equipped with pressure passageway 3, it is characterised in that：Gas diffusion inner wall 81 is equipped with several anti-expanders 811,
Anti- expander 811 includes the surface being recessed inwardly.Since the impeller of gas diffusion inner wall 81 and compressor is clearance fit, when
When high temperature and high pressure gas enter compressor casing through inlet channel 2, particularly there is thermal extremes gas when unstable period, aluminum
Casing expands after by the heat transfer of gas and heat radiation effect, recessed to anti-expander 811 after 81 expanded by heating of gas diffusion inner wall
Extend in sunken space, so that its length expanded to impeller direction is reduced, after preventing high-speed rotating impeller and expanding
The contact of gas diffusion inner wall 81 causes gas diffusion inner wall 81 or damage in impeller；Meanwhile contact of the anti-expander 811 with air
Area increases, and further increases casing heating surface area, plays the role of heat dissipation.
Preferably, anti-expander 811 is channel form structure, and anti-expander 811 is equipped with the slotted vane 8111 of strip.Strip
Slotted vane 8111 there is good anti-expansion effect, neat and consistent is easy to process.
Preferably, as shown in Figure 4 and Figure 5, slotted vane 8111 extends along inlet channel 2 to gas diffusion passage 3.Strip groove
The extending direction of piece 8111 is identical with gas flow, so as to have heat dissipation and guide functions concurrently.
Preferably, as shown in fig. 6, anti-expander 811 is column structure, several anti-expanders 811 are uniformly distributed in gas
On body diffusion inner wall 81.Columnar anti-expander 811 further increases the area of gas diffusion inner wall 81, thus it is anti-expansion with
Heat dissipation effect is more preferable.
Preferably, the form processing of anti-expander 811 is：Anti- expander 811 is molded with aluminium alloy casing integral die-cast, just
In mechanical processing, and simple to install.
Preferably, as shown in fig. 7, being equipped with the cooling water cavity 6 of annular, cooling water cavity between casing outer wall 7 and casing inner wall 8
6 are arranged at gas diffusion inner wall 81, and cooling water cavity 6 includes cooling water inlet 61 and cooling water outlet 62, cooling water inlet 61
It is arranged at cooling water outlet 62 on casing outer wall.Cooling water is entered in cooling water cavity 6 by cooling water inlet 61, and casing is dropped
Temperature, part cooling water are mutually changed into steam after absorbing heat, are discharged in time by cooling water outlet 62 after steam expansion, while to cold
But 61 moisturizing of water inlet, circulating cooling is carried out to casing.
Embodiment 2
The present embodiment and the form processing for differing only in anti-expander 811 of embodiment 1.As shown in Figures 2 and 3, prevent
The form processing of expander 811 is：Gas diffusion inner wall 81 is equipped with the inner wall groove 812 coordinated with anti-expander 811, anti-expansion
Body 811 includes the aluminum thin plate sheet 8112 in fin-shaped arrangement, and aluminum thin plate sheet 8112 is removably installed in inner wall groove 812.
The integral bending forming of aluminum thin plate sheet 8112, is removably installed in inner wall groove 812, oil in replacement and cleaning groove easy to repair
It is dirty.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, although ginseng
The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with
Modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on, should be included in this practicality
Within new protection domain.
Claims (7)
1. a kind of automobile turbocharger compressor casing, including casing outer wall (7), casing inner wall (8) and it is respectively arranged in casing
Air inlet (1), inlet channel (2), gas diffusion passage (3), compressor casing runner (4) and gas outlet (5) in wall (8), into
Gas passage (2) is connected with air inlet (1), gas diffusion passage (3) connection inlet channel (2) and compressor casing runner (4), machine
Shell inner wall (8) is equipped with gas diffusion inner wall (81) in gas diffusion passage (3) place, it is characterised in that：Gas diffusion inner wall (81)
Several anti-expanders (811) are equipped with, anti-expander (811) includes the surface being recessed inwardly.
2. automobile turbocharger compressor casing according to claim 1, it is characterised in that anti-expander (811) is ditch
Groove-like structure, anti-expander (811) are equipped with the slotted vane (8111) of strip.
3. automobile turbocharger compressor casing according to claim 2, it is characterised in that slotted vane (8111) leads to along air inlet
Road (2) extends to gas diffusion passage (3).
4. automobile turbocharger compressor casing according to claim 1, it is characterised in that anti-expander (811) is column
Shape structure, several anti-expanders (811) are uniformly distributed on gas diffusion inner wall (81).
5. automobile turbocharger compressor casing according to claim 1, it is characterised in that anti-expander (811) and machine
Shell die casting is integrally formed.
6. automobile turbocharger compressor casing according to claim 1, it is characterised in that on gas diffusion inner wall (81)
Equipped with the inner wall groove (812) coordinated with anti-expander (811), anti-expander (811) includes the aluminum thin plate sheet in fin-shaped arrangement
(8112), aluminum thin plate sheet (8112) is removably installed in inner wall groove (812).
7. automobile turbocharger compressor casing according to any one of claim 1 to 6, it is characterised in that outside casing
The cooling water cavity (6) of annular is equipped between wall (7) and casing inner wall (8), cooling water cavity (6) is arranged at gas diffusion inner wall (81)
Place, cooling water cavity (6) include cooling water inlet (61) and cooling water outlet (62), cooling water inlet (61) and cooling water outlet
(62) it is arranged on casing outer wall (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135197.5U CN207363956U (en) | 2017-09-05 | 2017-09-05 | Automobile turbocharger compressor casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135197.5U CN207363956U (en) | 2017-09-05 | 2017-09-05 | Automobile turbocharger compressor casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207363956U true CN207363956U (en) | 2018-05-15 |
Family
ID=62351500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721135197.5U Expired - Fee Related CN207363956U (en) | 2017-09-05 | 2017-09-05 | Automobile turbocharger compressor casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207363956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443227A (en) * | 2018-05-24 | 2018-08-24 | 中国科学院工程热物理研究所 | A kind of casing ripple struction for preventing centrifugal impeller from scratching |
-
2017
- 2017-09-05 CN CN201721135197.5U patent/CN207363956U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443227A (en) * | 2018-05-24 | 2018-08-24 | 中国科学院工程热物理研究所 | A kind of casing ripple struction for preventing centrifugal impeller from scratching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20200905 |