CN209228696U - A kind of impeller and compressor - Google Patents
A kind of impeller and compressor Download PDFInfo
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- CN209228696U CN209228696U CN201822022129.9U CN201822022129U CN209228696U CN 209228696 U CN209228696 U CN 209228696U CN 201822022129 U CN201822022129 U CN 201822022129U CN 209228696 U CN209228696 U CN 209228696U
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- impeller
- wheel disc
- sealing ring
- compressor
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Abstract
The utility model discloses a kind of impeller and compressor, is related to Compressor Technology field.Impeller includes wheel disc, blade group and sealing ring, wheel disc has the first surface and second surface being oppositely arranged, wheel disc is circumferentially spaced to be equipped with multiple balance holes, balance hole is extended through in first surface and second surface, sealing ring is connected to first surface, multiple balance holes are located in the region that sealing ring surrounds, and blade group is connected to second surface.Impeller can solve the problems, such as that traditional compressor service efficiency is low.
Description
Technical field
The utility model relates to Compressor Technology fields, in particular to a kind of impeller and compressor.
Background technique
Reliability, safety and the efficiency for improving compressor are always the important topic of compressor field research, and axis
The reliability and working efficiency of compressor operation are directly affected to the quality of dynamic balance.
The axial force of compressor is directly balanced reduction, or the special balancing frame knot of design by the thrust bearing of gear-box
Structure balances a part of axial force, at present in these technologies, although the structure of design can with balancing axial thrust, be lost it is excessive,
Structure is complicated, to influence the efficiency of compressor.
Utility model content
First of the utility model is designed to provide a kind of impeller, and it is low to solve conventional compressor wheel service efficiency
Problem.
Second of the utility model is designed to provide a kind of compressor, solves the problems, such as traditional compressor low efficiency.
The embodiments of the present invention are achieved in that
A kind of impeller, including wheel disc, blade group and sealing ring；
Wheel disc has the first surface and second surface being oppositely arranged, and wheel disc is circumferentially spaced to be equipped with multiple balances
Hole, balance hole are extended through in first surface and second surface；
Sealing ring is connected to first surface, and multiple balance holes are located in the region that sealing ring surrounds；
Blade group is connected to second surface.
Inventors have found that the centrifugal blower in compressor is in running, the front and back draught head of hub disk is excessive, causes to press
The axial force that contracting machine is born is excessive, causes the sliding bearing temperature of compressor excessively high, needs to increase cooling oil mass, allow for system
Efficiency reduces, or even the possibility that sliding bearing is burnt occurs, and seriousness has been more than loss caused by corrosion, wear etc., and shadow
Ring the service life of whole system.
Inventor devises above-mentioned impeller, and balance hole is connected to the first surface side and second surface side of wheel disc, can make
Gas pressure after hub disk drops to as the inlet pressure before hub disk, so that the gas pressure of two sides is put down
Weighing apparatus, to effectively reduce axial force, also reduces quantity of gas leakage, while sealing ring forms reliable sealing, is effectively reduced and lets out
Gas flow after draining to hub disk.
Further, in an embodiment of the present invention:
The center of second surface has connection ring, and connection ring is equipped with tapped blind hole；
Blade group extends from the outer wall of connection ring to the outer profile of second surface.
Further, in an embodiment of the present invention:
Blade group includes multiple blades, and multiple blades are equally spaced along the circumferencial direction of second surface；
Balance hole is set between two neighboring blade.
Further, in an embodiment of the present invention:
Blade is whirlwind shape curve of the blade.
Further, in an embodiment of the present invention:
Multiple balance holes limit annular region jointly, connection ring sealing ring projection in the plane be located at annular region
It is interior.
Further, in an embodiment of the present invention:
The center of wheel disc offers connecting hole, and connecting hole is located in the region that connection ring surrounds.
Further, in an embodiment of the present invention:
Outer nose circle of the sealing ring close to wheel disc.
Further, in an embodiment of the present invention:
Sealing ring and the milling of wheel disc one.
Further, in an embodiment of the present invention:
Sealing ring is embedded in first surface.
A kind of compressor, compressor have above-mentioned impeller.
The technical solution of the utility model at least has the following beneficial effects:
A kind of impeller provided by the utility model can effectively solve the problem that the big problem of compressor axial force, can reduce
50%~70% axial force, reduces the loss of thrust bearing, while reducing dielectric gas to external leakage rate, impeller
Manufacturing cost is low, can be improved the service efficiency of compressor impeller.
A kind of compressor provided by the utility model, the problem of traditional compressor low efficiency can be well solved.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is structural schematic diagram of the impeller under the first visual angle in the utility model embodiment 1；
Fig. 2 is structural schematic diagram of the impeller under the second visual angle in the utility model embodiment 1；
Fig. 3 is structural schematic diagram of the impeller under third visual angle in the utility model embodiment 1；
Fig. 4 is the structural schematic diagram of compressor in the utility model embodiment 2.
Icon: 10- impeller；20- compressor；22- centrifugal blower；24- connecting shaft；26- gear-box；100- wheel disc；110-
First surface；120- second surface；122- connection ring；1222- tapped blind hole；130- balance hole；140- connecting hole；210- leaf
Piece；300- sealing ring.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "lower"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This
Outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
Embodiment 1
The present embodiment provides a kind of impeller 10, impeller 10 is for solving the problems, such as that conventional compressor wheel service efficiency is low.
Fig. 1-Fig. 3 is please referred to respectively, and the impeller 10 that Fig. 1 shows the offer of this specific embodiment is specific under the first visual angle
Structure, Fig. 2 shows specific structure of the impeller 10 of this specific embodiment offer under the second visual angle, and it is specific that Fig. 3 shows this
Specific structure of the impeller 10 that embodiment provides under third visual angle.
Impeller 10 includes wheel disc 100, blade group and sealing ring 300.
Wheel disc 100 has the first surface 110 and second surface 120 being oppositely arranged, and wheel disc 100 is circumferentially spaced
Equipped with 17 balance holes 130, balance hole 130 is extended through in first surface 110 and second surface 120, to be connected to wheel disc
The gas of 100 front and backs, the gas pressure after can making the wheel disc 100 of impeller 10 drop to the import before the wheel disc 100 with impeller 10
Pressure is the same, has thus balanced sealing ring 300 to the pressure difference of this 10 front and back of part impeller of axis, has effectively reduced axial direction
Power, while also reducing quantity of gas leakage.
In the present embodiment, the quantity of balance hole 130 is 17, it should be noted that the utility model does not limit flat
The particular number in weighing apparatus hole 130, in other specific embodiments, the quantity of balance hole 130 can also be 14 or other quantity.
Sealing ring 300 is ring-shaped structure made of metal material, and sealing ring 300 is formed with the integrated milling of wheel disc 100, close
Seal ring 300 is arranged close to the outer nose circle of wheel disc 100, and sealing ring 300 is located on first surface 110, multiple balance holes 130
In in the region that sealing ring 300 surrounds.Sealing ring 300 is rotate together at high speed with impeller 10, wherein sealing ring 300 and spiral case sound
Gap is 0.7mm~1mm, forms reliable sealing in high speed rotation, can effectively reduce the gas after leaking into 10 wheel disc 100 of impeller
The scale of construction.
In the present embodiment, sealing ring 300 is made of metal material, and forms with the whole milling of wheel disc 100, needs to illustrate
, the utility model do not limit the specific manufacture of sealing ring 300, in other specific embodiments, sealing ring 300
It can also be made, and be embedded on the first surface 110 of wheel disc 100 of plastics.
The center of second surface 120 has connection ring 122, and connection ring 122 is made with the integrated molding of wheel disc 100, even
Connect it is uniformly spaced in the circumferential direction on ring 122 set there are six tapped blind hole 1222, impeller 10 by connection ring 122 be connected to from
On the fan casing of heart blower 22 (please referring to shown in Fig. 4).Blade group is connected to second surface 120, and blade group includes 17
Blade 210, blade 210 are that 210,17 blades 210 of whirlwind shape curve of the blade equidistantly divide along the circumferencial direction of second surface 120
Cloth, 210 one end of blade are connected to the outer wall of connection ring 122, and 210 other end of blade is connected to the outer profile of second surface 120, so that whole
A blade group extends from the outer wall of connection ring 122 to the outer profile of second surface 120.
In the present embodiment, the quantity of blade 210 is 17, while the quantity phase of the quantity of balance hole 130 and blade 210
Deng, it should be noted that the utility model does not limit the particular number of balance hole 130, in other specific embodiments, puts down
The quantity in weighing apparatus hole 130 can also be 14 or multiple.
In the present embodiment, the quantity of tapped blind hole 1222 is six, it should be noted that the utility model does not limit spiral shell
The particular number of line blind hole 1222, in other specific embodiments, the quantity of tapped blind hole 1222 can also be four or multiple.
Each balance hole 130 is all set between two adjacent blades 210, and 17 balance holes 130 limit ring jointly
Shape region, wherein connection ring 122 sealing ring 300 projection in the plane be located in annular region.
In addition, the center of wheel disc 100 offers connecting hole 140, connecting hole 140 is located at the area that connection ring 122 surrounds
In domain, connecting hole 140 is for connecting wheel disc 100 and connecting shaft 24 (please referring to shown in Fig. 4).
Specifically, in use, balance hole 130 is connected to 120 side of 110 side of first surface and second surface of wheel disc 100,
Gas pressure after can making 10 wheel disc 100 of impeller drops to as the inlet pressure before 10 wheel disc 100 of impeller, so that two sides
Gas pressure is balanced, so that axial force is effectively reduced, so that the bearing of compressor 20 (please referring to shown in Fig. 4) will not be because of axis
Cause its temperature excessively high and the cooling oil mass of needs increase to power is excessive, reduces bearing because of the probability of overload load strain, guarantee
The high efficiency of compressor assembly operation, and ensure that the service life of compressor assembly.Sealing ring 300 is formed reliably simultaneously
Sealing, the gas flow after leaking into 10 wheel disc 100 of impeller is effectively reduced.
Impeller 10 can effectively solve the problem that the big problem of 20 axial force of compressor, can reduce by 50%~70% axial force,
The loss of thrust bearing is reduced, while reducing dielectric gas to external leakage rate, 10 manufacturing cost of impeller is low, Neng Gouti
The service efficiency of high impeller 10.
Embodiment 2
The present embodiment provides a kind of compressor 20, compressor 20 is for solving the problems, such as traditional compressor low efficiency.
Referring to FIG. 4, Fig. 4 shows the specific structure of the compressor 20 of this specific embodiment offer.
Compressor 20 has the impeller 10 in above-described embodiment, and compressor 20 further includes centrifugal blower 22,24 and of connecting shaft
Gear-box 26, impeller 10 (please respectively with reference to shown in Fig. 1-Fig. 3) are set in centrifugal blower 22, and 24 one end of connecting shaft passes through thrust
Bearing is connected to the connecting hole 140 (please referring to shown in Fig. 1) of impeller 10, and 24 other end of connecting shaft is connected to gear-box 26.
Due to the use of impeller 10, can active balance axial force, structure be simply lost it is low, to guarantee compressor 20
High efficiency.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of impeller, it is characterised in that:
Including wheel disc, blade group and sealing ring；
The wheel disc has the first surface and second surface being oppositely arranged, and the wheel disc is circumferentially spaced to be equipped with multiple put down
Weighing apparatus hole, the balance hole are extended through in the first surface and the second surface；
The sealing ring is connected to the first surface, and multiple balance holes are located in the region that the sealing ring surrounds；
The blade group is connected to the second surface.
2. impeller according to claim 1, it is characterised in that:
The center of the second surface has connection ring, and the connection ring is equipped with tapped blind hole；
The blade group extends from the outer wall of the connection ring to the outer profile of the second surface.
3. impeller according to claim 2, it is characterised in that:
The blade group includes multiple blades, and multiple blades are equally spaced along the circumferencial direction of the second surface；
The balance hole is set between the two neighboring blade.
4. impeller according to claim 3, it is characterised in that:
The blade is whirlwind shape curve of the blade.
5. impeller according to claim 3, it is characterised in that:
Multiple balance holes limit annular region jointly, the connection ring the sealing ring projection in the plane be located at
In the annular region.
6. impeller according to claim 5, it is characterised in that:
The center of the wheel disc offers connecting hole, and the connecting hole is located in the region that the connection ring surrounds.
7. impeller according to claim 5, it is characterised in that:
Outer nose circle of the sealing ring close to the wheel disc.
8. impeller according to claim 7, it is characterised in that:
The sealing ring and the wheel disc one milling.
9. impeller according to claim 7, it is characterised in that:
The sealing ring is embedded in the first surface.
10. a kind of compressor, it is characterised in that:
The compressor has impeller of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822022129.9U CN209228696U (en) | 2018-12-03 | 2018-12-03 | A kind of impeller and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822022129.9U CN209228696U (en) | 2018-12-03 | 2018-12-03 | A kind of impeller and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209228696U true CN209228696U (en) | 2019-08-09 |
Family
ID=67506019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822022129.9U Active CN209228696U (en) | 2018-12-03 | 2018-12-03 | A kind of impeller and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209228696U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879339A (en) * | 2021-01-21 | 2021-06-01 | 合肥中科重明科技有限公司 | Engine axial force balance adjustment structure |
| CN113884700A (en) * | 2021-09-29 | 2022-01-04 | 华能山东石岛湾核电有限公司 | External rotating speed measuring device of helium circulator |
-
2018
- 2018-12-03 CN CN201822022129.9U patent/CN209228696U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879339A (en) * | 2021-01-21 | 2021-06-01 | 合肥中科重明科技有限公司 | Engine axial force balance adjustment structure |
| CN113884700A (en) * | 2021-09-29 | 2022-01-04 | 华能山东石岛湾核电有限公司 | External rotating speed measuring device of helium circulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Impeller and compressor Effective date of registration: 20210723 Granted publication date: 20190809 Pledgee: Wuhan area branch of Hubei pilot free trade zone of Bank of China Ltd. Pledgor: GREATALL POWER Co.,Ltd. Registration number: Y2021420000069 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |