CN208236742U - A kind of vapour compression machine enclosing cover for impeller - Google Patents
A kind of vapour compression machine enclosing cover for impeller Download PDFInfo
- Publication number
- CN208236742U CN208236742U CN201820498099.6U CN201820498099U CN208236742U CN 208236742 U CN208236742 U CN 208236742U CN 201820498099 U CN201820498099 U CN 201820498099U CN 208236742 U CN208236742 U CN 208236742U
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- China
- Prior art keywords
- wheel cap
- impeller
- enclosing cover
- inducer
- ontology
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Abstract
The utility model discloses a kind of vapour compression machine enclosings cover for impeller, including enclosing cover for impeller ontology, inducer wheel cap is equipped on enclosing cover for impeller ontology, the side of inducer wheel cap is equipped with arc section wheel cap, arc section wheel cap, it is outlet section wheel cap in the other side of arc section wheel cap, straight wall of the outlet section wheel cap perpendicular to shaft, 2-3 times with a thickness of inducer wheel cap or outlet section wheel cap thickness of arc section wheel cap, inducer wheel cap, it is connected by welding between outlet wheel cap and arc section wheel cap, flow concentration hole is equipped in the centre of inducer wheel cap, steam is sucked by flow concentration hole when impeller carries out high speed rotation, and it is discharged by the outlet of outlet section wheel cap side, the performance and intensity of the utility model are optimized, the structure of enclosing cover for impeller ontology is simple, facilitate processing and manufacture, advantageously reduce cost.
Description
Technical field
The utility model relates to vapour compression machine enclosing cover for impeller technical field, specially a kind of vapour compression machine impeller wheel
Lid.
Background technique
Low-temperature-rise vapour compression machine compressed media is vapor, and acid medium may be had in medium.Due to temperature rise phase
To lower, corresponding pressure ratio is lower, therefore shaft revolving speed is lower.Therefore it is necessary on the basis of guaranteeing performance and intensity for wheel cap structure
Simplified, facilitate processing and manufacture, advantageously reduces cost.
Utility model content
The purpose of this utility model is to provide a kind of performances and intensity to be optimized, the structure letter of enclosing cover for impeller ontology
It is single, facilitate processing and manufacture, a kind of vapour compression machine enclosing cover for impeller of cost is advantageously reduced, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of vapour compression machine enclosing cover for impeller, including
Enclosing cover for impeller ontology, the enclosing cover for impeller ontology are equipped with inducer wheel cap, and the one side edge of the inducer wheel cap is set
Have an arc section wheel cap, another connection edge of the arc section wheel cap is equipped with outlet section wheel cap, the enclosing cover for impeller ontology it is interior
Wheel hub is equipped among portion, the bosom of the wheel hub is equipped with rotary axis groove, is equipped between the outside and enclosing cover for impeller ontology of wheel hub
Impeller.
Preferably, the arc section wheel cap is inducer wheel cap, 2-3 times of outlet section wheel cap thickness, the inducer wheel
By being welded together between lid, outlet section wheel cap and arc section wheel cap.
Preferably, straight wall of the outlet section wheel cap perpendicular to shaft.
Preferably, the line segment of the inducer wheel cap is level, with rotary axis groove keeping parallelism.
Preferably, flow concentration hole, the outlet section of enclosing cover for impeller ontology are equipped at the inducer wheel cap of the enclosing cover for impeller ontology
The side of wheel cap is equipped with drain hole.
Preferably, the impeller is three-dimensional twisted plate blade, and the one side edge of impeller is together with hub welding, impeller
Outlet side it is vertical with wheel hub.
Compared with prior art, the utility model has the beneficial effects that
The centre of inducer wheel cap is equipped with flow concentration hole, inhales steam by flow concentration hole when impeller carries out high speed rotation
Enter, and be discharged by the outlet of outlet section wheel cap side, the performance and intensity of the utility model are optimized, enclosing cover for impeller ontology
Structure it is simple, facilitate processing and manufacture, advantageously reduce cost.
Detailed description of the invention
Fig. 1 is the utility model enclosing cover for impeller ontology cross section structure schematic diagram；
Fig. 2 is the utility model enclosing cover for impeller ontology main view.
In figure: 1, enclosing cover for impeller ontology；2, impeller；3, wheel hub；4, rotary axis groove；5, inducer wheel cap；6, arc section wheel cap；
7, wheel cap is exported；8, flow concentration hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 or Fig. 2 is please referred to, the utility model provides a kind of technical solution: a kind of vapour compression machine enclosing cover for impeller, including
Enclosing cover for impeller ontology 1, enclosing cover for impeller ontology 1 are equipped with inducer wheel cap 5, and the one side edge of inducer wheel cap 5 is equipped with circle
Segmental arc wheel cap 6, arc section wheel cap 6 are 2-3 times of inducer wheel cap 5 and 7 thickness of outlet section wheel cap, inducer wheel cap 5, outlet section
By being welded together between wheel cap 7 and arc section wheel cap 6, the line segment of inducer wheel cap 5 is level, is protected with rotary axis groove 5
Maintain an equal level row, another connection edge of arc section wheel cap 6 outlet section wheel cap 7 perpendicular to shaft straight wall.
Another connection edge of arc section wheel cap 6 is equipped with outlet section wheel cap 7, at the inducer wheel cap 5 of enclosing cover for impeller ontology 1
Equipped with flow concentration hole 8, the side of the outlet section wheel cap 7 of enclosing cover for impeller ontology 1 is equipped with drain hole.
The bosom of enclosing cover for impeller ontology 1 is equipped with wheel hub 3, and the bosom of wheel hub 3 is equipped with rotary axis groove 4, wheel hub 3 it is outer
Impeller 2 is equipped between side and enclosing cover for impeller ontology 1, impeller 2 is three-dimensional twisted plate blade, the one side edge and wheel hub 3 of impeller 2
Weld together, the outlet side of impeller 2 is vertical with wheel hub 3, and quickly rotation sucks steam to impeller 2, while utilizing the three of impeller
The feature of dimension distortion plate blade compresses steam, and steam is discharged by outlet section wheel cap 7.
The performance and intensity of the utility model are optimized, and the structure of enclosing cover for impeller ontology is simple, facilitate processing and manufacture,
Advantageously reduce cost.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of vapour compression machine enclosing cover for impeller, including enclosing cover for impeller ontology (1), it is characterised in that: the enclosing cover for impeller ontology
(1) inducer wheel cap (5) are equipped with, the one side edge of the inducer wheel cap (5) is equipped with arc section wheel cap (6), the circular arc
Another connection edge of section wheel cap (6) is equipped with outlet section wheel cap (7), and the bosom of the enclosing cover for impeller ontology (1) is equipped with wheel
The bosom of hub (3), the wheel hub (3) is equipped with rotary axis groove (4), sets between the outside and enclosing cover for impeller ontology (1) of wheel hub (3)
There are impeller (2).
2. a kind of vapour compression machine enclosing cover for impeller according to claim 1, it is characterised in that: the arc section wheel cap (6)
For inducer wheel cap (5), 2-3 times of outlet section wheel cap (7) thickness, the inducer wheel cap (5), outlet section wheel cap (7) and circle
By being welded together between segmental arc wheel cap (6).
3. a kind of vapour compression machine enclosing cover for impeller according to claim 1, it is characterised in that: the outlet section wheel cap (7)
Perpendicular to the straight wall of shaft.
4. a kind of vapour compression machine enclosing cover for impeller according to claim 1, it is characterised in that: the inducer wheel cap (5)
Line segment be level, with rotary axis groove (4) keeping parallelism.
5. a kind of vapour compression machine enclosing cover for impeller according to claim 1, it is characterised in that: the enclosing cover for impeller ontology
(1) flow concentration hole (8) are equipped at inducer wheel cap (5), the side of the outlet section wheel cap (7) of enclosing cover for impeller ontology (1) is equipped with row
Discharge orifice.
6. a kind of vapour compression machine enclosing cover for impeller according to claim 1, it is characterised in that: the impeller (2) is three-dimensional
Plate blade is distorted, one side edge and the wheel hub (3) of impeller (2) weld together, and the outlet side and wheel hub (3) of impeller (2) are hung down
Directly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498099.6U CN208236742U (en) | 2018-04-10 | 2018-04-10 | A kind of vapour compression machine enclosing cover for impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498099.6U CN208236742U (en) | 2018-04-10 | 2018-04-10 | A kind of vapour compression machine enclosing cover for impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208236742U true CN208236742U (en) | 2018-12-14 |
Family
ID=64587461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820498099.6U Active CN208236742U (en) | 2018-04-10 | 2018-04-10 | A kind of vapour compression machine enclosing cover for impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208236742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917110A (en) * | 2021-02-25 | 2021-06-08 | 南京中科神光科技有限公司 | Large-scale narrow flow passage closed impeller, manufacturing method and special welding equipment for blades |
-
2018
- 2018-04-10 CN CN201820498099.6U patent/CN208236742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917110A (en) * | 2021-02-25 | 2021-06-08 | 南京中科神光科技有限公司 | Large-scale narrow flow passage closed impeller, manufacturing method and special welding equipment for blades |
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