CN212744519U - Surge-proof pressure shell for bell mouth - Google Patents
Surge-proof pressure shell for bell mouth Download PDFInfo
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- CN212744519U CN212744519U CN202021535117.7U CN202021535117U CN212744519U CN 212744519 U CN212744519 U CN 212744519U CN 202021535117 U CN202021535117 U CN 202021535117U CN 212744519 U CN212744519 U CN 212744519U
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- air inlet
- pressure shell
- surge
- bell mouth
- inlet cover
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Abstract
The utility model relates to a turbo charger shell pressing technical field, concretely relates to bellmouth surge-proof shell pressing, including the shell pressing main part, still including air inlet and the gas outlet that sets up in the shell pressing main part, be equipped with the air inlet cover that sets up with shell pressing main part integrated into one piece in the runner of air inlet, form the backward flow chamber between the periphery of air inlet cover and the inner wall of air inlet, the backward flow intracavity has a plurality of strengthening rib pieces with the axle center of shell pressing main part as central circumference distribution, has seted up the anti-surge groove on the circumference lateral wall of air inlet cover, and the degree of depth that the anti-surge groove was seted up is located the bottom top of strengthening rib piece, the utility model provides a bellmouth surge-proof shell pressing, through the design and the use in anti-surge groove, can reach the purpose of surge; through the design and the use of the air inlet cover, and the circumferential side wall of the air inlet cover is arranged in a bell mouth shape with a cambered surface structure, not only can the noise be reduced, but also the appearance is more attractive.
Description
Technical Field
The utility model relates to a turbo charger pressure shell technical field, concretely relates to bell mouth surge-proof pressure shell.
Background
The partial main function of turbo charger compressor is to send into the engine air inlet after compressing the pneumatics to improve engine air input, increase engine power, turbo charger shell air inlet has the anti-surge groove of avoiding turbo charger to take place the surge usually, and ordinary turbo charger design is the low noise, and the turbo charger that is used for the repacking car then pursues individuality and unusual, consequently the utility model provides a bell mouth anti-surge pressure shell.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a bell mouth surge-proof pressure shell, which can achieve the purpose of surge prevention through the design and the use of a series of structures and the design and the use of a surge-proof groove; through the design and the use of the air inlet cover, and the circumferential side wall of the air inlet cover is arranged in a bell mouth shape with a cambered surface structure, the air inlet cover can play a role in guiding and buffering air entering through the port of the air inlet cover, so that the smoothness of air inlet is greatly improved, squeaking is reduced, and the effect of a silencing cover is played, thereby achieving the purposes of silencing and reducing noise; in addition, the bell-mouth-shaped air inlet cover added on the pressure shell can reduce noise and has better appearance.
The utility model discloses a following technical scheme realizes:
a bell mouth anti-surge pressure shell comprises a pressure shell main body, and further comprises an air inlet and an air outlet which are arranged on the pressure shell main body, an air inlet cover which is integrally formed with the pressure shell main body is arranged in a flow channel of the air inlet, a backflow cavity is formed between the circumferential surface of the air inlet cover and the inner wall of the air inlet, a plurality of reinforcing rib blocks are circumferentially distributed in the backflow cavity by taking the axis of the pressure shell main body as a center, an anti-surge groove is formed in the circumferential side wall of the air inlet cover, and the depth of the anti-surge groove is positioned above the bottom of each reinforcing rib block.
Preferably, the pressure shell main body, the air inlet and the air outlet are arranged in an integrally formed structure.
Preferably, the outer wall of the pressure shell main body further comprises five groups of circumferentially distributed fixing holes, and the outer wall of the pressure shell main body close to one group of the fixing holes further comprises reinforcing fixing lugs.
Preferably, the circumferential side wall of the air inlet cover is arranged in a bell mouth shape with an arc surface structure.
Preferably, the number that the strengthening rib piece set up is four groups, and every group the strengthening rib piece with the inlet hood the air inlet, the pressure shell main part is the integrated into one piece structure setting.
Preferably, the outer wall of the pressure shell main body further comprises a corrosion-resistant coating, and the corrosion-resistant coating is made of a titanium nitride coating material.
The utility model has the advantages that:
the utility model can achieve the anti-surge purpose through the design and the use of the anti-surge tank under the adoption of the structure and the design and the use; through the design and the use of the air inlet cover, and the circumferential side wall of the air inlet cover is arranged in a bell mouth shape with a cambered surface structure, the air inlet cover can play a role in guiding and buffering air entering through the port of the air inlet cover, so that the smoothness of air inlet is greatly improved, squeaking is reduced, and the effect of a silencing cover is played, thereby achieving the purposes of silencing and reducing noise; in addition, the bell-mouth-shaped air inlet cover added on the pressure shell can reduce noise and has better appearance;
and the utility model discloses novel structure, reasonable in design, convenient to use has stronger practicality.
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 left side view of the present invention;
fig. 2 is a right side view of the present invention;
fig. 3 is a cross-sectional elevation view of the present invention;
fig. 4 is a sectional bottom view of the present invention.
In the figure: 1-shell pressing main body, 2-air inlet, 3-air outlet, 4-air inlet cover, 5-reflux cavity, 6-reinforcing rib block, 7-anti-surge groove, 8-fixing hole and 9-reinforcing fixing lug.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a bell mouth surge-proof pressure shell, including pressure shell main part 1, still including air inlet 2 and the gas outlet 3 that sets up on the pressure shell main part 1, be equipped with the inlet cowling 4 that sets up with pressure shell main part 1 integrated into one piece in the runner of air inlet 2, form backward flow chamber 5 between the periphery of inlet cowling 4 and the inner wall of air inlet 2, use the axle center of pressure shell main part 1 to distribute a plurality of strengthening rib pieces 6 as central circumference in the backward flow chamber 5, set up anti-surge groove 7 on the circumference lateral wall of inlet cowling 4, and the degree of depth that anti-surge groove 7 seted up is located the bottom top of strengthening rib piece 6.
Specifically, the pressure shell main body 1, the air inlet 2 and the air outlet 3 are arranged in an integrally formed structure.
Specifically, the outer wall of the pressure shell main body 1 further comprises five groups of circumferentially distributed fixing holes 8, and the outer wall of the pressure shell main body 1 close to the group of fixing holes 8 further comprises reinforcing fixing lugs 9.
Specifically, the circumferential side wall of the air inlet cover 4 is arranged in a bell mouth shape with a cambered surface structure.
Specifically, the number that the strengthening rib piece 6 set up is four groups, and every strengthening rib piece 6 of group is the integrated into one piece structure setting with air inlet cover 4, air inlet 2, pressure shell main part 1.
Specifically, the outer wall of the pressure shell main body 1 further comprises a corrosion-resistant coating, and the corrosion-resistant coating is made of a titanium nitride coating material.
The working principle is as follows: when the turbocharger works, high-speed airflow enters the impeller arranged in the pressure shell main body 1 from the air inlet cover 4 at the air inlet 2 of the pressure shell, and the high-speed airflow entering the impeller simultaneously flows back to the mutually communicated backflow cavity 5 through the anti-surge groove 7 and is discharged through the port of the backflow cavity 5; moreover, the surge prevention purpose can be achieved through the design and the use of the surge prevention groove 7; through the design and the use of the air inlet cover 4, and the circumferential side wall of the air inlet cover 4 is arranged in a bell mouth shape with a cambered surface structure, the air inlet cover can play a role in guiding and buffering air entering from the port of the air inlet cover 4, so that the smoothness of air inlet is greatly improved, squeaking is reduced, the function of a noise reduction cover is played, and the purposes of noise reduction and noise reduction are achieved; in addition, the bell-mouth-shaped air inlet cover 4 added on the pressure shell can reduce noise and has better appearance;
the pressure shell main body 1, the air inlet 2 and the air outlet 3 are arranged in an integrally formed structure, the number of the reinforcing rib blocks 6 is four, and each reinforcing rib block 6, the air inlet cover 4, the air inlet 2 and the pressure shell main body 1 are arranged in an integrally formed structure, so that the integral structural strength of the pressure shell can be further improved when the pressure shell is used; the outer wall of the pressure shell main body 1 further comprises five groups of fixing holes 8 which are circumferentially distributed, so that the purpose of mounting with an intermediate on a turbocharger can be conveniently achieved, and the outer wall of the pressure shell main body 1 close to one group of fixing holes 8 further comprises reinforcing fixing lugs 9, so that the stability during mounting and fixing can be further improved; the outer wall of the pressure shell main body 1 also comprises a corrosion-resistant coating which is made of a titanium nitride coating material, so that the corrosion resistance, high temperature resistance and wear resistance of the pressure shell can be further enhanced when the pressure shell is used;
the utility model discloses a all the other structures of bell mouth surge-proof pressure shell are turbocharger pressure shell common structure, are not being repeated here, and the part that turbocharger's theory of operation is not repeated in detail is the same basically with prior art's turbocharger's theory of operation, belongs to the common general knowledge in this field, only uses it, does not improve it, so the utility model discloses no longer detail goes on detailed repeated description to its each part theory of operation and relation of connection.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a bell mouth surge-proof pressure shell, includes pressure shell main part (1), its characterized in that: the pressure shell comprises a pressure shell main body (1) and is characterized by further comprising an air inlet (2) and an air outlet (3), the air inlet cover (4) and the pressure shell main body (1) are integrally formed in a flow channel of the air inlet (2), a backflow cavity (5) is formed between the circumferential surface of the air inlet cover (4) and the inner wall of the air inlet (2), a plurality of reinforcing rib blocks (6) are circumferentially distributed in the backflow cavity (5) by taking the axis of the pressure shell main body (1) as the center, an anti-surge groove (7) is formed in the circumferential side wall of the air inlet cover (4), and the anti-surge groove (7) is formed in the position above the bottom of each reinforcing rib block (6) in depth.
2. The bell mouth surge-proof pressure shell as claimed in claim 1, wherein: the pressure shell main body (1), the air inlet (2) and the air outlet (3) are arranged in an integrated structure.
3. The bell mouth surge-proof pressure shell as claimed in claim 1, wherein: the outer wall of the pressure shell main body (1) further comprises five groups of fixing holes (8) distributed in the circumferential direction, and is close to one group of fixing holes (8) and reinforcing fixing lugs (9) arranged on the outer wall of the pressure shell main body (1).
4. The bell mouth surge-proof pressure shell as claimed in claim 1, wherein: the circumferential side wall of the air inlet cover (4) is arranged in a bell mouth shape with a cambered surface structure.
5. The bell mouth surge-proof pressure shell as claimed in claim 1, wherein: the number that reinforcing rib piece (6) set up is four groups, and every group reinforcing rib piece (6) with air inlet cover (4) air inlet (2) press shell main part (1) to be the integrated into one piece structure setting.
6. The bell mouth surge-proof pressure shell as claimed in claim 1, wherein: the outer wall of the pressure shell main body (1) further comprises a coated corrosion-resistant coating, and the corrosion-resistant coating is made of a titanium nitride coating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021535117.7U CN212744519U (en) | 2020-07-29 | 2020-07-29 | Surge-proof pressure shell for bell mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021535117.7U CN212744519U (en) | 2020-07-29 | 2020-07-29 | Surge-proof pressure shell for bell mouth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212744519U true CN212744519U (en) | 2021-03-19 |
Family
ID=75023982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021535117.7U Active CN212744519U (en) | 2020-07-29 | 2020-07-29 | Surge-proof pressure shell for bell mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212744519U (en) |
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2020
- 2020-07-29 CN CN202021535117.7U patent/CN212744519U/en active Active
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