CN212899027U - Volute type supercharger - Google Patents
Volute type supercharger Download PDFInfo
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- CN212899027U CN212899027U CN202021555134.7U CN202021555134U CN212899027U CN 212899027 U CN212899027 U CN 212899027U CN 202021555134 U CN202021555134 U CN 202021555134U CN 212899027 U CN212899027 U CN 212899027U
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- main shaft
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Abstract
A volute type supercharger is characterized in that the structure of a volute is as follows: an air outlet nozzle is formed on the open volute body, a flange plate is formed at the lower part of the air inlet nozzle, and the flange plate is fixed with the volute body through a screw; the structure of the worm wheel blade is as follows: a main shaft is formed on the disc, blades are formed on the disc and the main shaft, a plurality of blades are annularly arrayed on the disc and the main shaft by taking the circle center of the disc as the center, and the main shaft and the disc have the same axial lead; the structure of the blade is as follows: the upper part of the blade main body is formed with an upper arc sheet which is bent to the left, the lower part of the blade main body is formed with a lower arc sheet which is bent to the right, the blade main body and the upper arc sheet are formed on the main shaft, and the lower arc sheet is formed on the main shaft and the disc; the installation of the worm wheel blade is more convenient, the distance between the worm wheel blade and the inner diameter surface of the volute is smaller, and the wind pressure of the worm wheel air outlet nozzle is larger.
Description
Technical Field
The utility model relates to a spiral case formula booster compressor technical field, more specifically say and relate to a spiral case formula booster compressor of wind pressure increase.
Background
The volute of current volute type booster compressor is all intake nozzle and air outlet all the shaping on the volute, and the interval between worm wheel blade and the spiral case internal diameter face is 10 to 13mm, and its weak point is: the worm wheel blade is fixed on the motor, and the motor is fixed on the connecting plate, and the connecting plate passes through the fix with screw again on the spiral case, considers the engineering difference that connecting plate and spiral case pass through the fix with screw, and the interval between worm wheel blade and the spiral case inner diameter face can't set up too low, and the interval between worm wheel blade and the spiral case inner diameter face is big more, and then the wind pressure of the wind-force that the worm wheel blade provided to the air outlet nozzle is less.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a volute type supercharger to prior art not enough, and its worm wheel blade installs more conveniently, and the interval between worm wheel blade and the spiral case internal diameter face is littleer, and the wind pressure of worm wheel tuyere is bigger.
The technical solution of the utility model is as follows:
the utility model provides a spiral case formula booster compressor, includes motor, worm wheel blade, and worm wheel blade fixes in the pivot of motor, and the structure of spiral case is: an air outlet nozzle is formed on the open volute body, a flange plate is formed at the lower part of the air inlet nozzle, and the flange plate is fixed with the volute body through a screw;
the structure of the worm wheel blade is as follows: a main shaft is formed on the disc, blades are formed on the disc and the main shaft, a plurality of blades are annularly arrayed on the disc and the main shaft by taking the circle center of the disc as the center, and the main shaft and the disc have the same axial lead;
the structure of the blade is as follows: the upper part of the blade main body is formed with an upper arc sheet which is bent to the left, the lower part of the blade main body is formed with a lower arc sheet which is bent to the right, the blade main body and the upper arc sheet are formed on the main shaft, and the lower arc sheet is formed on the main shaft and the disc;
the blade is formed with a first wind blowing surface, the first wind blowing surface is opposite to the inner diameter surface of the volute, and the distance between the first wind blowing surface and the volute is 1-1.5 mm.
A second wind blowing surface is formed on the blade, the upper end of the first wind blowing surface extends to form a second wind blowing surface, the second wind blowing surface is opposite to the lower end surface of the flange plate, and the distance between the second wind blowing surface and the lower end surface of the flange plate is 1-1.5 mm; the upper end of the second wind blowing surface extends to form a third wind blowing surface, the third wind blowing surface is opposite to the inner diameter surface of the air inlet nozzle, and the distance between the third wind blowing surface and the inner diameter surface of the air inlet nozzle is 1-1.5 mm.
The motor is characterized in that a rotating shaft step is formed on a rotating shaft of the motor, the main shaft is fixedly connected with the rotating shaft in a threaded manner, the lower end face of the main shaft is pressed on the rotating shaft step, the gasket is inserted and sleeved at the upper end of the rotating shaft, the nut is fixedly connected with the upper end of the rotating shaft in a threaded manner and presses the gasket, and the gasket presses the upper end face of the main shaft.
The motor is fixed with the volute body through screws.
And a rotating shaft of the motor extends into a central hole of the main shaft from a preset hole on the worm shell.
The beneficial effects of the utility model reside in that:
the installation of the worm wheel blade is more convenient, the distance between the worm wheel blade and the inner diameter surface of the volute is smaller, and the wind pressure of the worm wheel air outlet nozzle is larger.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a perspective sectional view of the present invention;
FIG. 3 is a perspective view of a worm wheel blade.
In the figure: 1. a motor; 2. a worm wheel blade; 3. a volute; 4. a gasket; 5. and a nut.
Detailed Description
Example (b): as shown in fig. 1 to 3, a volute type supercharger comprises a motor 1 and a worm wheel blade 2, wherein the worm wheel blade 2 is fixed on a rotating shaft of the motor 1, and the volute 3 has the structure that: an air outlet nozzle 32 is formed on the open volute casing 31, a flange plate 34 is formed at the lower part of the air inlet nozzle 33, and the flange plate 34 is fixed with the volute casing 31 through screws;
the structure of the worm wheel blade 2 is as follows: a main shaft 22 is formed on the disc 21, the blades 23 are formed on the disc 21 and the main shaft 22, the blades 23 are annularly arrayed on the disc 21 and the main shaft 22 by taking the circle center of the disc 21 as the center, and the main shaft 22 and the disc 21 have the same axial lead;
the structure of the blade 23 is: an upper arc sheet 232 bent to the left is formed at the upper part of the blade main body 231, a lower arc sheet 233 bent to the right is formed at the lower part of the blade main body 231, the blade main body 231 and the upper arc sheet 232 are formed on the main shaft 22, and the lower arc sheet 233 is formed on the main shaft 22 and the disc 21;
the first wind-blowing surface 23a is formed on the blade 23, the first wind-blowing surface 23a is opposite to the inner diameter surface 311 of the volute 31, and the distance between the first wind-blowing surface 23a and the volute 31 is 1-1.5 mm.
A second wind blowing surface 23b is formed on the blade 23, the second wind blowing surface 23b extends from the upper end of the first wind blowing surface 23a, the second wind blowing surface 23b is opposite to the lower end surface 341 of the flange 34, and the distance between the second wind blowing surface 23b and the lower end surface 341 of the flange is 1-1.5 mm; the upper end of the second wind-blowing surface 23b extends to form a third wind-blowing surface 23c, the third wind-blowing surface 23c is opposite to the inner diameter surface 331 of the air inlet nozzle 33, and the distance between the third wind-blowing surface 23c and the inner diameter surface 331 of the air inlet nozzle is 1-1.5 mm.
A rotating shaft step 1a1 is formed on a rotating shaft 1a of the motor 1, the main shaft 22 is fixed with the rotating shaft 1a in a threaded manner, the lower end face of the main shaft 22 is pressed on the rotating shaft step 1a1, the gasket 4 is inserted and sleeved at the upper end of the rotating shaft 1a, the nut 5 is fixed at the upper end of the rotating shaft 1a in a threaded manner and is pressed against the gasket 4, and the gasket 4 is pressed against the upper end face of the main shaft 22.
The motor 1 is fixed with the worm housing 31 through screws.
The rotating shaft 1a of the motor 1 extends into the central hole of the main shaft 22 from a preset hole on the worm shell 31.
The working principle is as follows: the interval between worm wheel blade and the spiral case among the prior art is 10 to 13mm, the utility model discloses interval between first windward side 23a and the spiral case 31 is 1 to 1.5mm, can increase the wind pressure of tuyere 32 department like this.
In the prior art, a worm wheel blade is arranged at the lower part of the volute, the worm wheel blade 2 of the utility model is fixed on a rotating shaft 1a of a motor 1 from the upper part, and then an upper air inlet nozzle 33 is fixed on the volute body 31. This facilitates installation while easily maintaining the spacing between the turbine blade 2 and the air inlet nozzle 33.
Claims (5)
1. The utility model provides a spiral case formula booster compressor, includes motor (1), worm wheel blade (2), and on the pivot of motor (1) was fixed in worm wheel blade (2), its characterized in that: the structure of the volute (3) is as follows: an air outlet nozzle (32) is formed on the open volute body (31), a flange plate (34) is formed at the lower part of the air inlet nozzle (33), and the flange plate (34) is fixed with the volute body (31) through screws;
the structure of the worm wheel blade (2) is as follows: a main shaft (22) is formed on the disc (21), blades (23) are formed on the disc (21) and the main shaft (22), a plurality of blades (23) are annularly arrayed on the disc (21) and the main shaft (22) by taking the circle center of the disc (21) as the center, and the main shaft (22) and the disc (21) have the same axial lead;
the structure of the blade (23) is as follows: an upper arc sheet (232) which is bent to the left is formed at the upper part of the blade main body (231), a lower arc sheet (233) which is bent to the right is formed at the lower part of the blade main body (231), the blade main body (231) and the upper arc sheet (232) are formed on the main shaft (22), and the lower arc sheet (233) is formed on the main shaft (22) and the disc (21);
the blade (23) is formed with a first wind-scraping surface (23a), the first wind-scraping surface (23a) is opposite to the inner diameter surface (311) of the worm casing (31), and the distance between the first wind-scraping surface (23a) and the worm casing (31) is 1-1.5 mm.
2. A volute supercharger as claimed in claim 1 wherein: a horizontal second wind blowing surface (23b) is formed on the blade (23), the second wind blowing surface (23b) extends from the upper end of the first wind blowing surface (23a), the second wind blowing surface (23b) is opposite to the lower end surface (341) of the flange (34), and the distance between the second wind blowing surface (23b) and the lower end surface (341) of the flange is 1-1.5 mm; a third wind blowing surface (23c) extends from the upper end of the second wind blowing surface (23b), the third wind blowing surface (23c) is opposite to a wind inlet nozzle inner diameter surface (331) of the wind inlet nozzle (33), and the distance between the third wind blowing surface (23c) and the wind inlet nozzle inner diameter surface (331) is 1-1.5 mm.
3. A volute supercharger as claimed in claim 1 wherein: a rotating shaft step (1a1) is formed on a rotating shaft (1a) of the motor (1), a main shaft (22) is fixedly connected with the rotating shaft (1a) in a threaded mode, the lower end face of the main shaft (22) is pressed on the rotating shaft step (1a1), a gasket (4) is sleeved at the upper end of the rotating shaft (1a) in an inserting mode, a nut (5) is fixedly connected to the upper end of the rotating shaft (1a) in a threaded mode and presses the gasket (4), and the gasket (4) presses the upper end face of the main shaft (22).
4. A volute supercharger as claimed in claim 1 wherein: the motor (1) is fixed with the worm shell (31) through screws.
5. A volute supercharger as claimed in claim 1 wherein: a rotating shaft (1a) of the motor (1) extends into a central hole of the main shaft (22) from a preset hole on the worm shell (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021555134.7U CN212899027U (en) | 2020-07-31 | 2020-07-31 | Volute type supercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021555134.7U CN212899027U (en) | 2020-07-31 | 2020-07-31 | Volute type supercharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212899027U true CN212899027U (en) | 2021-04-06 |
Family
ID=75231742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021555134.7U Active CN212899027U (en) | 2020-07-31 | 2020-07-31 | Volute type supercharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212899027U (en) |
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2020
- 2020-07-31 CN CN202021555134.7U patent/CN212899027U/en active Active
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