CN209398456U - A kind of nozzle ring structure - Google Patents
A kind of nozzle ring structure Download PDFInfo
- Publication number
- CN209398456U CN209398456U CN201822276571.4U CN201822276571U CN209398456U CN 209398456 U CN209398456 U CN 209398456U CN 201822276571 U CN201822276571 U CN 201822276571U CN 209398456 U CN209398456 U CN 209398456U
- Authority
- CN
- China
- Prior art keywords
- disc
- positioning pin
- mounting disc
- plane
- shifting
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
- F01D17/165—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for radial flow, i.e. the vanes turning around axes which are essentially parallel to the rotor centre line
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/24—Control of the pumps by using pumps or turbines with adjustable guide vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/40—Application in turbochargers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/60—Assembly methods
- F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
- F05D2240/128—Nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/90—Variable geometry
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The utility model provides a kind of nozzle ring structure, including mounting disc, one end face of mounting disc is equipped with shifting disc, another end face is equipped with rear cover, at least provided with three positioning pins between shifting disc and mounting disc, blind hole is equipped in mounting disc, one end of positioning pin is accommodated in blind hole, the other end offsets with shifting disc, and spacer sleeve is additionally provided between rear cover and mounting disc.The utility model in mounting disc by being arranged positioning pin, to reduce the contact area between mounting disc and shifting disc, the probability that foreign matter enters contact surface between the two is reduced, the wear rate of the two is reduced, while shifting disc being made to rotate flexible, more stable and reliable movement.
Description
Technical field
The utility model relates to turbines to increase device technical field more particularly to a kind of nozzle ring structure.
Background technique
Nozzle ring is mounted in turbocharger, for controlling the exhausted air quantity entered in turbine wheel to control turbine increasing
The revolving speed of depressor.Nozzle ring generally comprises mounting disc, shifting disc, multiple shift forks and multiple blades；Multiple shift forks are circumferentially distributed in
On one side end face of mounting disc, multiple blades and multiple shift forks are located at correspondingly on another side end face of mounting disc, multiple
It is connected between one end and blade of shift fork by pin, shifting disc is rotatably arranged on a side end face of mounting disc, on shifting disc
Equipped with multiple grooves, the other end of shift fork is located in groove, the course of work of nozzle ring are as follows: shifting disc rotation drives shift fork
Rotation, shift fork rotation band movable vane piece rotate, can change blade angle by the rotation of blade, adjust flow area, to adjust
Save air inflow.
The structure of existing nozzle ring such as application No. is: 2016107412266, it is entitled a kind of for turbocharger
Nozzle ring, in the disclosure in this patent, as shown in Figure 1, being equipped in the side of mounting disc equipped with spacer sleeve 3' and rear cover 4', the other side
Shifting disc 2', is equipped with annular convex platform 11' between shifting disc 2' and mounting disc 1', and annular convex platform 11' is integrated with mounting disc 1'
Molding, the upper end offsets with shifting disc 2', and under this kind of structure, the contact area between shifting disc 2' and mounting disc 1' is larger, and two
Abrasion between person is larger, and especially annular convex platform 11' has the function of in the axial direction limiting shifting disc, can shadow after abrasion
The reliability and flexibility of shifting disc movement are rung, simultaneously because high temperature and pressure and particulate matter of the nozzle ring work in engine exhaust
Rugged environment under, the contact area between shifting disc and mounting disc is larger, then foreign matter enters the general of contact surface between the two
Rate is larger, can further accelerate the abrasion of shifting disc and mounting disc, reduces reliability and flexibility, reduction when shifting disc uses
The service life of nozzle ring, it is therefore desirable to which existing nozzle ring structure is improved.
Utility model content
The utility model provides a kind of nozzle ring structure, in the nozzle ring structure, leads between shifting disc and mounting disc
Positioning pin support limit is crossed, can guarantee reliability and flexibility when shifting disc movement, while reducing shifting disc and installation
Contact area between disk is able to extend the service life of nozzle ring.
The technical scheme adopted by the utility model is a kind of nozzle ring structure, including mounting disc, the mounting disc
One end face is equipped with shifting disc, another end face is equipped with rear cover, between the shifting disc and the mounting disc extremely
Positioning pin there are three setting less, is equipped with blind hole in the mounting disc, and one end of the positioning pin is accommodated in the blind hole
In, the other end offsets with the shifting disc, is additionally provided with spacer sleeve between the rear cover and mounting disc.
After the above technical solution is adopted, the utility model compared with prior art, has the advantage that
By at least three positioning pin support limits between shifting disc and mounting disc, the contact between shifting disc and mounting disc
Area is the sum of all positioning pins and shifting disc contact surface, the face for the circle annular convex platform being far smaller than arranged in mounting disc
Product, positioning pin have the function of in the axial direction limiting shifting disc simultaneously, therefore in the present invention, shifting disc and mounting disc
Between contact area it is smaller, the probability that foreign matter enters contact surface between the two, the abrasion both reduced cannot be can reduce
Rate extends the service life of nozzle ring, while can guarantee the reliability and flexibility of shifting disc when in use.
As an improvement, the other end of the positioning pin is equipped with cambered surface, it is line face contact between positioning pin and shifting disc, connects
Contacting surface is smaller.
As an improvement, the other end of the positioning pin is equipped with plane, it is plane-plane contact between positioning pin and shifting disc, dials
Stability when Moving plate rotates is preferable and positioning pin easy to process.
As an improvement, the other end of the positioning pin is equipped with connected cambered surface and plane, the cambered surface is respectively position
In the two sides of the plane, the plane offsets with the shifting disc, is plane-plane contact between positioning pin and shifting disc,
Stability when shifting disc rotates preferably makes contact surface smaller simultaneously.
As an improvement, it is respectively position that the other end of the positioning pin, which is equipped with connected inclined-plane and plane, the inclined-plane,
In the two sides of the plane, the plane offsets with the shifting disc, is plane-plane contact between positioning pin and shifting disc,
Stability when shifting disc rotates preferably makes that contact surface is smaller, the processing is simple simultaneously.
As an improvement, the shifting disc is equipped with annular flange, the convex annular close to the end face of mounting disc side
Edge rotatably covers in the mounting disc, increase connective stability between shifting disc and mounting disc and in the axial direction to group
Moving plate is limited.
As an improvement, the positioning pin is 3, it is easily installed and positioned pin and shifting disc, and the flexibility of shifting disc is most
It is good.
As an improvement, the central angle between two neighboring positioning pin is 90 ° or 135 °, so that branch of the positioning pin to shifting disc
Support is more firm.
Detailed description of the invention
Fig. 1 is prior art partial enlargement structural representation
Fig. 2 is the utility model section view
Fig. 3 is enlarged diagram at A
Fig. 4 is the utility model top view
Fig. 5 is mounting disc structural schematic diagram
Fig. 6 is second of structural schematic diagram of positioning pin
Fig. 7 is the third structural schematic diagram of positioning pin
Fig. 8 is the 4th kind of structural schematic diagram of positioning pin
It is as shown in the figure:
In the prior art: 1', mounting disc, 11', annular convex platform, 2', shifting disc, 3', spacer sleeve, 4', rear cover.
In the utility model: 1, mounting disc, 11, blind hole, 2, shifting disc, 21, annular flange, 3, spacer sleeve, 4, rear cover, 5,
Positioning pin, 51, cambered surface, 52, plane, 53, inclined-plane.
Specific embodiment
As shown in Fig. 2, a kind of nozzle ring structure, including mounting disc 1, an end face of mounting disc 1 are equipped with shifting disc 2,
Another end face is equipped with rear cover 4 and sets in mounting disc 1 at least provided with three positioning pins 5 between shifting disc 2 and mounting disc 1
There is blind hole 11 corresponding with positioning pin 5, one end of positioning pin 5 is accommodated in blind hole 11, the lower end surface of the other end and shifting disc 2
It offsets, spacer sleeve 3 is additionally provided between rear cover 4 and mounting disc 1, be equipped with ring on the end face of 1 side of mounting disc in shifting disc 2
Shape flange 21, annular flange 21 rotatably cover in mounting disc 1, the other end of positioning pin 5 and the lower end surface of annular flange 21
It offsets.
As shown in figure 5, in the present invention, illustrating so that the quantity of positioning pin 5 is 3 as an example, two neighboring positioning pin 5
Between central angle be 90 ° or 135 °.
The structure of positioning pin includes four kinds in the present invention:
The first: as shown in figure 3, one end that positioning pin 5 and shifting disc 2 offset is cambered surface 51, which, which is against, is stirred
It is line face contact with shifting disc 2 on the lower end surface of disk 2, contact area is minimum, it can guarantee flexibility when shifting disc 2 rotates,
Abrasion is reduced to the greatest extent, and processing is also relatively easy to.
Second: as shown in fig. 6, one end that positioning pin 5 and shifting disc 2 offset is plane 52, which, which is against, is stirred
It is plane-plane contact between shifting disc 2 on the lower end surface of disk 2, contact area is smaller, energy the most firm to the support of shifting disc 2
Enough guaranteeing stability, reliability and the flexibility when shifting disc 2 rotates, the positioning pin overall structure of this kind of structure is cylindrical type,
Its processing is the simplest.
The third: as shown in fig. 7, positioning pin 5 is equipped with the cambered surface 51 and plane 52 being connected with one end that shifting disc 2 offsets,
There are two cambered surface 51 is set, two cambered surfaces 51 are located at the two sides of plane 52, wherein the lower end surface phase of plane 52 and shifting disc 2
Support, in this kind of structure, between positioning pin 5 and shifting disc 2 be plane-plane contact, contact area compared with positioning pin 5 the first structure compared with
Greatly, smaller compared with second of structure of positioning pin 5, therefore this kind of structure composition the first structure and second of certain advantages,
With flexibility when can guarantee that shifting disc 2 rotates, stability, reliability.
4th kind: as shown in figure 8, positioning pin 5 is equipped with the inclined-plane 53 being connected and plane 52 with one end that shifting disc 2 offsets,
There are two inclined-plane 53 is set, two inclined-planes 53 are located at the two sides of plane, and wherein plane 52 and the lower end surface of shifting disc 2 offset,
It is plane-plane contact between positioning pin 5 and shifting disc 2 in this kind of structure, contact area is larger compared with the first structure of positioning pin 5,
Smaller compared with second of structure of positioning pin 5 of the third structure interface product is equal, therefore this kind of structure composition is above-mentioned several
The certain advantages of structure, with flexibility when can guarantee that shifting disc 2 rotates, stability, reliability, and than the third knot
Structure is more convenient for processing.
The utility model in mounting disc by being arranged positioning pin 5, to reduce the contact between mounting disc 1 and shifting disc 2
Area reduces the probability that foreign matter enters contact surface between the two, reduces the wear rate of the two, while shifting disc 2 being made to rotate spirit
Living, more stable and reliable movement.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations.Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that, it still can be to preceding
Technical solution documented by the embodiment stated is modified, or is equivalently replaced to wherein each section technical characteristic, and this
It modifies or replaces, the range for the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of nozzle ring structure, which is characterized in that including mounting disc (1), an end face of the mounting disc (1) is equipped with
Shifting disc (2), another end face are equipped with rear cover (4), between the shifting disc (2) and the mounting disc (2) at least
If there are three positioning pin (5), blind hole (11) are equipped in the mounting disc (1), one end of the positioning pin (5) is accommodated in
In the blind hole (11), the other end offsets with the shifting disc (2), between the rear cover (4) and mounting disc (1) also
Equipped with spacer sleeve (3).
2. a kind of nozzle ring structure according to claim 1, which is characterized in that the other end of the positioning pin (5) is set
There are cambered surface (51).
3. a kind of nozzle ring structure according to claim 2, which is characterized in that the other end of the positioning pin (5) is set
There are plane (52).
4. a kind of nozzle ring structure according to claim 1, which is characterized in that the other end of the positioning pin (5) is set
There are connected cambered surface (51) and plane (52), the cambered surface (51) is respectively to be located at the two sides of the plane (52), described
Plane (52) offset with the shifting disc (2).
5. a kind of nozzle ring structure according to claim 1, which is characterized in that the other end of the positioning pin (5) is set
There are connected inclined-plane (53) and plane (52), the inclined-plane (53) are respectively the two sides for being located at the plane (52), described
Plane (52) offset with the shifting disc (2).
6. a kind of nozzle ring structure according to claim 1, which is characterized in that the shifting disc (2) is close to mounting disc
(1) end face of side is equipped with annular flange (21), and the annular flange (21) is rotatably covered in the mounting disc (1)
On.
7. a kind of nozzle ring structure according to claim 1, which is characterized in that the positioning pin (5) is 3.
8. a kind of nozzle ring structure according to claim 7, which is characterized in that the circle between two neighboring positioning pin (5)
Heart angle is 90 ° or 135 °.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822276571.4U CN209398456U (en) | 2018-12-29 | 2018-12-29 | A kind of nozzle ring structure |
| PCT/CN2019/129192 WO2020135709A1 (en) | 2018-12-29 | 2019-12-27 | A nozzle ring structure |
| EP19903295.4A EP3902982A4 (en) | 2018-12-29 | 2019-12-27 | A nozzle ring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822276571.4U CN209398456U (en) | 2018-12-29 | 2018-12-29 | A kind of nozzle ring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209398456U true CN209398456U (en) | 2019-09-17 |
Family
ID=67897490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822276571.4U Active CN209398456U (en) | 2018-12-29 | 2018-12-29 | A kind of nozzle ring structure |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3902982A4 (en) |
| CN (1) | CN209398456U (en) |
| WO (1) | WO2020135709A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020135709A1 (en) * | 2018-12-29 | 2020-07-02 | Nissens Automotive A/S | A nozzle ring structure |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996028642A1 (en) * | 1995-03-15 | 1996-09-19 | United Technologies Corporation | Wear resistant gas turbine engine airseal assembly |
| DE102004023211A1 (en) * | 2004-05-11 | 2005-12-08 | Volkswagen Ag | Supercharger for internal combustion engine used in motor vehicle, has bearing housing that has axial guide surface for guiding slide bearings, arranged at radial inner surface of adjustment ring, when blade ring carrier turns |
| US9017017B2 (en) * | 2009-04-10 | 2015-04-28 | Honeywell Internatonal Inc. | Variable-vane assembly having fixed guide pins for unison ring |
| EP2592239B1 (en) * | 2011-11-09 | 2016-03-23 | Bosch Mahle Turbo Systems GmbH & Co. KG | Variable turbine geometry for a charging device and corresponding charging device |
| CN202348349U (en) * | 2011-12-13 | 2012-07-25 | 萍乡市德博科技发展有限公司 | Disk column drive type variable section nozzle ring assembly with toggle disk positioned in two ways |
| CN203067041U (en) * | 2012-12-14 | 2013-07-17 | 湖南天雁机械有限责任公司 | Variable nozzle ring of ball type structure |
| CN205117414U (en) * | 2015-11-07 | 2016-03-30 | 萍乡德博科技股份有限公司 | Nozzle cascade subassembly of circular structure |
| CN205908317U (en) * | 2016-08-29 | 2017-01-25 | 萍乡德博科技股份有限公司 | A nozzle cascade for turbo charger |
| CN106224013B (en) * | 2016-08-29 | 2018-08-10 | 萍乡德博科技股份有限公司 | A kind of nozzle ring for turbocharger |
| US10947861B2 (en) * | 2018-02-26 | 2021-03-16 | Garrett Transportation I Inc | Variable vane mechanism for turbocharger with unison ring and bearing members having independent material characteristics |
| CN108825362B (en) * | 2018-08-21 | 2023-10-27 | 天津北方天力增压技术有限公司 | Integral double-vane set nozzle ring with variable geometric section |
| CN209398456U (en) * | 2018-12-29 | 2019-09-17 | 萍乡德博科技股份有限公司 | A kind of nozzle ring structure |
-
2018
- 2018-12-29 CN CN201822276571.4U patent/CN209398456U/en active Active
-
2019
- 2019-12-27 WO PCT/CN2019/129192 patent/WO2020135709A1/en unknown
- 2019-12-27 EP EP19903295.4A patent/EP3902982A4/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020135709A1 (en) * | 2018-12-29 | 2020-07-02 | Nissens Automotive A/S | A nozzle ring structure |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3902982A1 (en) | 2021-11-03 |
| WO2020135709A1 (en) | 2020-07-02 |
| EP3902982A4 (en) | 2022-09-14 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |