CN220378537U - Impeller for centrifugal compressor - Google Patents
Impeller for centrifugal compressor Download PDFInfo
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- CN220378537U CN220378537U CN202320333177.8U CN202320333177U CN220378537U CN 220378537 U CN220378537 U CN 220378537U CN 202320333177 U CN202320333177 U CN 202320333177U CN 220378537 U CN220378537 U CN 220378537U
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- impeller
- transmission shaft
- centrifugal compressor
- pin fixing
- fixed sleeve
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- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of centrifugal compressor impellers, and particularly provides an impeller for a centrifugal compressor, which comprises a fixed sleeve and a transmission shaft, wherein a connecting groove is formed in the bottom of the fixed sleeve, a connecting piece is inserted into the connecting groove, a pin fixing hole is formed in one side of the connecting piece, return springs are symmetrically and fixedly arranged on the outer side of the fixed sleeve, one end of each return spring is fixedly connected with a pin fixing piece communicated with the connecting groove, and one end of each pin fixing piece is inserted between each pin fixing hole. According to the utility model, the transmission shaft and the fixed sleeve are spliced by adopting the connecting piece and the connecting groove, and one end of the pin fixing piece connected with the transmission shaft is fixedly inserted into the pin fixing hole formed in the connecting piece by utilizing the elastic tension of the reset spring, so that the transmission shaft and the fixed sleeve are conveniently connected and fixed, the technical problems that the transmission shaft and the impeller are fixedly connected by adopting bolts in the installation of the impeller for the centrifugal compressor in the prior art are solved, the connection mode is troublesome, and the assembly efficiency is reduced are solved.
Description
Technical Field
The utility model relates to the technical field of centrifugal compressor impellers, in particular to an impeller for a centrifugal compressor.
Background
The centrifugal compressor impeller is also called a working wheel; the only element in the centrifugal compressor that works on the air flow; the most important parts on the rotor generally consist of parts such as a wheel disc, a wheel cover, blades and the like, and gas rotates at high speed along with the impeller under the action of the blades of the impeller, and the gas is subjected to the action of rotating centrifugal force and diffusion flow in the impeller, so that the pressure of the gas after passing through the impeller is improved.
The applicant found that the following problems exist in practical use:
when the impeller for the centrifugal compressor in the prior art is installed, the transmission shaft is usually fixedly connected with the impeller by adopting bolts, so that the connection mode is troublesome, and the assembly efficiency is reduced. Accordingly, there is a need to provide an impeller for a centrifugal compressor that solves the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the technical problems that when an impeller for a centrifugal compressor is installed, a transmission shaft is fixedly connected with the impeller by adopting a bolt in the prior art, the connection mode is troublesome, the assembly efficiency is reduced, aiming at the defects of the prior art, the impeller for the centrifugal compressor comprises a fixed sleeve and the transmission shaft, the bottom of the fixed sleeve is provided with a connecting groove, a connecting piece is inserted into the connecting groove, one side of the connecting piece is provided with a pin fixing hole, the outer side of the fixed sleeve is symmetrically and fixedly provided with reset springs, one end of each reset spring is fixedly connected with a pin fixing piece communicated with the connecting groove, and one end of each pin fixing piece is inserted between the pin fixing hole. According to the utility model, the transmission shaft and the fixed sleeve are spliced by adopting the connecting piece and the connecting groove, and one end of the pin fixing piece connected with the transmission shaft is fixedly inserted into the pin fixing hole formed in the connecting piece by utilizing the elastic tension of the reset spring, so that the transmission shaft and the fixed sleeve are conveniently connected and fixed, the technical problems that the transmission shaft and the impeller are fixedly connected by adopting bolts in the installation of the impeller for the centrifugal compressor in the prior art are solved, the connection mode is troublesome, and the assembly efficiency is reduced are solved.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the impeller for the centrifugal compressor comprises a fixed sleeve, a connecting groove is formed in the bottom of the fixed sleeve, a connecting piece is inserted into the connecting groove, a pin fixing hole is formed in one side of the connecting piece, a reset spring is symmetrically and fixedly arranged on the outer side of the fixed sleeve, one end of each reset spring is fixedly connected with a pin fixing piece communicated with the connecting groove, and one end of each pin fixing piece is inserted into the pin fixing hole.
The pin fixing piece is of a T-shaped structure, and is located in the reset spring.
The connecting piece is in a cross-shaped structure, and the connecting piece and the transmission shaft are of an integrated structure.
The diameter of the transmission shaft is the same as that of the fixed sleeve, and the impeller turntable is fixedly arranged at the upper end of the fixed sleeve.
The impeller is characterized in that the upper surface of the impeller turntable is fixedly provided with an intermediate body and a plurality of fan blades, and one end of each fan blade is fixedly connected with the intermediate body.
The fixing sleeve is characterized in that a plurality of reinforcing plates are symmetrically and fixedly arranged on the outer side of the fixing sleeve, each reinforcing plate is of a right-angle triangular structure, and a positioning block is fixedly arranged on the upper surface of each reinforcing plate.
The impeller is characterized in that positioning grooves are symmetrically formed in the lower surface of the impeller turntable, and the positioning blocks are clamped with the positioning grooves.
Compared with the related art, the impeller for the centrifugal compressor has the following beneficial effects:
the utility model provides an impeller for a centrifugal compressor, wherein a transmission shaft and a fixed sleeve are spliced by adopting a connecting piece and a connecting groove, and one end of a pin fixing piece connected with the transmission shaft is fixedly inserted into a pin fixing hole formed in the connecting piece by utilizing the elastic tension of a reset spring, so that the transmission shaft and the fixed sleeve are conveniently connected and fixed, and the technical problems that the transmission shaft and the impeller are fixedly connected by adopting bolts when the impeller for the centrifugal compressor is installed in the prior art are solved, the connection mode is troublesome, and the assembly efficiency is reduced.
The utility model provides an impeller for a centrifugal compressor, wherein a fixed sleeve is clamped with an impeller turntable by adopting a reinforcing plate, a positioning block and a positioning groove, and the connection firmness between the impeller turntable and the fixed sleeve can be enhanced by utilizing the reinforcing plate, so that the strength of an impeller structure is improved.
Drawings
FIG. 1 is a schematic view of a preferred embodiment of an impeller for a centrifugal compressor according to the present utility model;
FIG. 2 is a schematic perspective view of the connection between the fixing sleeve and the transmission shaft;
FIG. 3 is a schematic diagram of a front view of the present utility model;
fig. 4 is a schematic bottom view of the connection of the stationary sleeve and the impeller turntable of the present utility model.
Reference numerals in the drawings: 1. a transmission shaft; 2. an impeller turntable; 3. a fan blade; 4. an intermediate; 5. a fixed sleeve; 6. a return spring; 7. a pin fastener; 8. a connecting groove; 9. a pin fixing hole; 10. a connecting piece; 11. a positioning block; 12. a reinforcing plate; 13. and a positioning groove.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings.
Embodiment one:
as shown in fig. 1-4, the impeller for the centrifugal compressor comprises a fixed sleeve 5 and a transmission shaft 1, wherein a connecting groove 8 is formed in the bottom of the fixed sleeve 5, a connecting piece 10 is inserted into the connecting groove 8, a pin fixing hole 9 is formed in one side of the connecting piece 10, return springs 6 are symmetrically and fixedly arranged on the outer side of the fixed sleeve 5, one end of each return spring 6 is fixedly connected with a pin fixing piece 7 communicated with the connecting groove 8, and one end of each pin fixing piece 7 is inserted into the pin fixing hole 9.
As shown in fig. 2, the pin fixture 7 has a T-shaped structure, and the pin fixture 7 is located inside the return spring 6.
As shown in fig. 2, the connecting piece 10 has a cross-shaped structure, and the connecting piece 10 and the transmission shaft 1 are integrally formed, so that the connecting piece 10 and the transmission shaft 1 are firmly connected.
In practice, adopt connecting piece 10 and spread groove 8 grafting between transmission shaft 1 and fixed cover 5 to utilize reset spring 6's elasticity pulling force, realize the one end of the round pin firmware 7 of being connected rather than is inserted and is fixed in the round pin fixed orifices 9 that connecting piece 10 offered inside, thereby conveniently connect transmission shaft 1 with fixed cover 5 fixedly, when the impeller that has solved centrifugal compressor among the prior art and used is installed, adopt the bolt to be fixed connection transmission shaft 1 and impeller generally, such connected mode is comparatively troublesome, the technical problem of assembly efficiency has been reduced.
Embodiment two:
as shown in fig. 1-4, on the basis of the first embodiment, the present utility model provides a technical solution: the diameter of the transmission shaft 1 is the same as the diameter of the fixed sleeve 5, the impeller turntable 2 is fixedly arranged at the upper end of the fixed sleeve 5, the intermediate body 4 and the plurality of fan blades 3 are fixedly arranged on the upper surface of the impeller turntable 2, one end of each fan blade 3 is fixedly connected with the intermediate body 4, a plurality of reinforcing plates 12 are symmetrically and fixedly arranged on the outer side of the fixed sleeve 5, each reinforcing plate 12 is of a right-angle triangle structure, a positioning block 11 is fixedly arranged on the upper surface of each reinforcing plate 12, positioning grooves 13 are symmetrically formed in the lower surface of the impeller turntable 2, and the positioning blocks 11 are clamped with the positioning grooves 13.
In the implementation, the fixed sleeve 5 is clamped with the impeller turntable 2 by adopting the reinforcing plate 12, the positioning block 11 and the positioning groove 13, and the firmness of connection between the impeller turntable 2 and the fixed sleeve 5 can be enhanced by utilizing the reinforcing plate 12, so that the strength of the impeller structure is improved.
When the technical scheme is assembled, the pin fixing piece 7 is pulled firstly, the reset spring 6 is stretched, one end of the pin fixing piece 7 is separated from the inside of the connecting groove 8, then the connecting piece 10 connected with the transmission shaft 1 is inserted into the inside of the connecting groove 8 formed by the fixed sleeve 5, and finally the pin fixing piece 7 is loosened, at the moment, under the elastic tension of the reset spring 6, one end of the pin fixing piece 7 is inserted into the pin fixing hole 9 formed by the connecting piece 10, and the transmission shaft 1 is connected and fixed with the fixed sleeve 5. When in use, the reinforcing plate 12 can be utilized to enhance the connection firmness between the impeller turntable 2 and the fixed sleeve 5 and improve the strength.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an impeller that centrifugal compressor used, includes fixed cover (5) and transmission shaft (1), its characterized in that: the connecting groove (8) has been seted up to the bottom of fixed cover (5), peg graft in the inside of connecting groove (8) has connecting piece (10), round pin fixed orifices (9) have been seted up to one side of connecting piece (10), the outside symmetry fixed mounting of fixed cover (5) has reset spring (6), every equal fixedly connected with of one end of reset spring (6) is with round pin firmware (7) of the intercommunication of connecting groove (8), peg graft between the one end of round pin firmware (7) and round pin fixed orifices (9).
2. Impeller for centrifugal compressors according to claim 1, characterized by the fact that the pin (7) is of T-shaped construction and that the pin (7) is located inside the return spring (6).
3. Impeller for centrifugal compressors according to claim 1, characterized by the fact that said connection element (10) is of a cross-shaped structure and that said connection element (10) is of an integral structure with the transmission shaft (1).
4. An impeller for a centrifugal compressor according to claim 1, characterized in that the diameter of the drive shaft (1) is the same as the diameter of the stationary sleeve (5), and that the upper end of the stationary sleeve (5) is fixedly provided with an impeller turntable (2).
5. An impeller for a centrifugal compressor according to claim 4, wherein an intermediate body (4) and a plurality of fan blades (3) are fixedly mounted on the upper surface of the impeller turntable (2), and one end of each fan blade (3) is fixedly connected with the intermediate body (4).
6. The impeller for centrifugal compressors according to claim 4, characterized in that a plurality of reinforcing plates (12) are symmetrically and fixedly mounted on the outer side of the fixed sleeve (5), each reinforcing plate (12) is in a right-angle triangle structure, and a positioning block (11) is fixedly mounted on the upper surface of each reinforcing plate (12).
7. The impeller for the centrifugal compressor according to claim 6, wherein positioning grooves (13) are symmetrically formed on the lower surface of the impeller turntable (2), and the positioning blocks (11) are engaged with the positioning grooves (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320333177.8U CN220378537U (en) | 2023-02-28 | 2023-02-28 | Impeller for centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320333177.8U CN220378537U (en) | 2023-02-28 | 2023-02-28 | Impeller for centrifugal compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378537U true CN220378537U (en) | 2024-01-23 |
Family
ID=89568547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320333177.8U Active CN220378537U (en) | 2023-02-28 | 2023-02-28 | Impeller for centrifugal compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378537U (en) |
-
2023
- 2023-02-28 CN CN202320333177.8U patent/CN220378537U/en active Active
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