CN208565060U - Rotor structure for fluid machinery - Google Patents
Rotor structure for fluid machinery Download PDFInfo
- Publication number
- CN208565060U CN208565060U CN201820635417.9U CN201820635417U CN208565060U CN 208565060 U CN208565060 U CN 208565060U CN 201820635417 U CN201820635417 U CN 201820635417U CN 208565060 U CN208565060 U CN 208565060U
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- CN
- China
- Prior art keywords
- inner hole
- diameter section
- fluid machinery
- rotor structure
- wheel hub
- 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 relates to a kind of rotor structures for fluid machinery, including shaft (1), impeller, shaft includes first diameter section (11), second diameter section (12), wheel hub has the first inner hole, the second inner hole, impeller is connected through a screw thread part (7), arc nut (6) is installed in shaft, it is characterized by: threaded connector 7 is arranged in the first inner hole of wheel hub, in the second inner hole, threaded connector one end and second diameter section are cooperatively connected, and the other end and arc nut are cooperatively connected.This is used for the rotor structure installation of fluid machinery, convenient disassembly, and bonding strength is big, and stability is good.
Description
Technical field
The utility model relates to field of fluid machinery, more particularly to one kind to be used for fluid machinery (such as compressor, air blower)
Rotor structure.
Background technique
Compressor or air blower are the fluid mechanical devices that fluid energy is converted mechanical energy into using gas as working media,
Rotor structure plays a crucial role efficiency, the performance of whole device.But to the raising of properties of product in existing product
There are also very big rooms for improvement.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of rotor for fluid machinery
Structure, this is used for the rotor structure installation of fluid machinery, convenient disassembly, and bonding strength is big, and stability is good.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of rotor structure for fluid machinery, including shaft (1), impeller, shaft include first diameter section (11),
Two diameter segments (12), their diameter are sequentially reduced, and impeller includes blade (2), shroud (3), hub disk (4), wheel hub (5), blade
It is connect respectively with shroud, hub disk, hub contacts, blade has leading edge (21), rear (22)；Wheel hub has the first inner hole, second
Inner hole, first inner hole aperture are greater than the second inner hole aperture；Impeller is connected through a screw thread part (7), arc nut (6) is installed on
In shaft, rotation is driven by motor in shaft, it is characterised in that: threaded connector 7 is arranged in the first inner hole of wheel hub, the second inner hole
Interior, threaded connector one end and second diameter section are cooperatively connected, and the other end and arc nut are cooperatively connected.
Wherein, the threaded connector periphery is equipped with external screw thread (71), the internal thread hole spiral shell of one end and second diameter section
Line cooperation, the end of this one end are tapered portion (73)；The other end and arc nut thread cooperate, and the end of this one end is equipped with polygon
Shape counterbore (72).
Wherein, the polygon counterbore is square or regular hexagon blind hole.
Wherein, the periphery of the second diameter section is equipped with spline (13), and the inside of second diameter section is equipped with internal thread hole
(14)；First inner hole of spline and wheel hub, the first inner hole inner circumferential are equipped with spline.
Wherein, the second inner hole thread of the interlude of the threaded connector and wheel hub cooperates, the second inner hole inner circumferential
Equipped with internal screw thread.
Wherein, the outside of the hub disk is equipped with hub disk sealing ring (41), and hub disk sealing ring is equipped with multiple annular seal grooves
(42).
Wherein, rake is equipped on the outside of the longitudinal end of the hub disk.
This is used for the rotor structure installation of fluid machinery, convenient disassembly, and bonding strength is big, and stability is good.
Detailed description of the invention
Fig. 1 is the utility model rotor structure figure；
Fig. 2 is the utility model pivot structure figure；
Fig. 3 is the utility model threaded connector structure chart；
Fig. 4 is the utility model hub disk seal ring structure figure.
In figure: shaft 1, first diameter section 11, second diameter section 12, spline 13, internal thread hole 14, blade 2, leading edge 21,
Rear 22, shroud 3, hub disk 4, hub disk sealing ring 41, sealed groove 42, wheel hub 5, arc nut 6, threaded connector 7, external screw thread
71, polygon counterbore 72, tapered portion 73.
Specific embodiment
The utility model provides a kind of rotor structure for fluid machinery, makees with reference to the accompanying drawing to the utility model
It is further described.
Referring to attached drawing 1-4: the rotor structure for being used for fluid machinery includes shaft 1, first diameter section 11, second diameter section
12, spline 13, internal thread hole 14, blade 2, leading edge 21, rear 22, shroud 3, hub disk 4, hub disk sealing ring 41, sealed groove 42,
Wheel hub 5, arc nut 6, threaded connector 7, external screw thread 71, polygon counterbore 72, tapered portion 73.
Rotor includes shaft 1, impeller, and shaft 1 successively includes first diameter section 11, second diameter section 12, their diameter
It is sequentially reduced；The periphery of second diameter section 12 is equipped with spline 13, and the inside of second diameter section 12 is equipped with internal thread hole 14；Spline 13
With the first inner hole of wheel hub 5, which is equipped with spline.
7 periphery of threaded connector is equipped with external screw thread 71, and the internal thread hole 14 of one end and second diameter section 12 is threadedly engaged,
The end of this one end is guiding tapered portion 73；The other end is threadedly engaged with arc nut 6, and the end of this one end is heavy equipped with polygon
Hole 72, which is square or regular hexagon blind hole, stifled filled with resin in polygon counterbore 72 after mounting
Head；Second inner hole thread of interlude and wheel hub 5 cooperates, which is equipped with internal screw thread；Threaded connector 7 is arranged in
In first inner hole of wheel hub 5, the second inner hole.It is curved portion outside arc nut 6, inside has internal thread hole.Impeller passes through spiral shell
Line connector 7, arc nut 6 are installed in shaft 1, and rotation is driven by motor in shaft 1.The connection structure of the impeller and shaft,
Installation, convenient disassembly, bonding strength is big, and stability is good.
Impeller includes blade 2, shroud 3, hub disk 4, wheel hub 5, and blade 2 has leading edge 21, rear 22, and wheel hub 5 has first
Inner hole, the second inner hole, the first inner hole aperture are greater than the second inner hole aperture；Impeller includes multiple blade groups, and multiple blade groups are along circle
Week is uniformly distributed, and each blade group includes multiple (such as three) blades 2, and blade 2 has leading edge 21, rear 22, multiple blade 2
Leading edge 21 radius it is different, leading-edge radius is sequentially increased；The thickness of multiple blade 2 is different.
The outside of hub disk 4 is equipped with hub disk sealing ring 41, hub disk sealing ring 41 and compressor or blower casing backboard it is close
Seal structure cooperation, hub disk sealing ring 41 are equipped with multiple annular seal grooves 42, and multiple annular seal grooves 42 are radially arranged, peace
Carbon ring seal ring, good airproof performance are mounted therein with when dress.Rake is equipped on the outside of the longitudinal end of hub disk 4, the rake is with after
A=8-10 ° of angle of disk/vertical line, reduce the pressure oscillation of 4 longitudinal end of hub disk.
This is used for the rotor structure installation of fluid machinery, convenient disassembly, and bonding strength is big, and stability is good.
Above embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical
Structure after novel simple transformation belongs to the protection scope of the utility model.
Claims (5)
1. being used for the rotor structure of fluid machinery, including shaft (1), impeller, shaft include first diameter section (11), second diameter
Section (12), their diameter is sequentially reduced, and impeller includes blade (2), shroud (3), hub disk (4), wheel hub (5), blade respectively with
Shroud, hub disk, hub contacts connection, blade have leading edge (21), rear (22)；Wheel hub has the first inner hole, the second inner hole, institute
The first inner hole aperture is stated greater than the second inner hole aperture；Impeller is connected through a screw thread part (7), arc nut (6) is installed in shaft,
Rotation is driven by motor in shaft, it is characterised in that: threaded connector (7) is arranged in the first inner hole of wheel hub, in the second inner hole, spiral shell
Line connector one end and second diameter section are cooperatively connected, and the other end and arc nut are cooperatively connected.
2. a kind of rotor structure for fluid machinery as described in claim 1, it is characterised in that: the threaded connector periphery
Equipped with external screw thread (71), the internal thread hole of one end and second diameter section is threadedly engaged, and the end of this one end is tapered portion (73)；
The other end and arc nut thread cooperate, and the end of this one end is equipped with polygon counterbore (72).
3. a kind of rotor structure for fluid machinery as claimed in claim 2, it is characterised in that: the polygon counterbore is positive
Rectangular or regular hexagon blind hole.
4. a kind of rotor structure for fluid machinery as claimed in claim 2, it is characterised in that: outside the second diameter section
Week is equipped with spline (13), and the inside of second diameter section is equipped with internal thread hole (14)；First inner hole of spline and wheel hub, it is described
First inner hole inner circumferential is equipped with spline.
5. a kind of rotor structure for fluid machinery as claimed in claim 2, it is characterised in that: in the threaded connector
Between the second inner hole thread of section and wheel hub cooperate, the second inner hole inner circumferential be equipped with internal screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820635417.9U CN208565060U (en) | 2018-05-01 | 2018-05-01 | Rotor structure for fluid machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820635417.9U CN208565060U (en) | 2018-05-01 | 2018-05-01 | Rotor structure for fluid machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565060U true CN208565060U (en) | 2019-03-01 |
Family
ID=65481707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820635417.9U Expired - Fee Related CN208565060U (en) | 2018-05-01 | 2018-05-01 | Rotor structure for fluid machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565060U (en) |
-
2018
- 2018-05-01 CN CN201820635417.9U patent/CN208565060U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190301 Termination date: 20200501 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |