CN205908317U - A nozzle cascade for turbo charger - Google Patents
A nozzle cascade for turbo charger Download PDFInfo
- Publication number
- CN205908317U CN205908317U CN201620962424.0U CN201620962424U CN205908317U CN 205908317 U CN205908317 U CN 205908317U CN 201620962424 U CN201620962424 U CN 201620962424U CN 205908317 U CN205908317 U CN 205908317U
- Authority
- CN
- China
- Prior art keywords
- disc
- mounting
- mounting disc
- shifting
- shift fork
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- 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
Abstract
The utility model discloses a nozzle cascade for turbo charger, it includes a mounting disc, one stirs dish and a plurality of shift fork, stirs the rotatable setting of dish on a terminal surface of mounting disc, stir the dish a terminal surface of mounting disc deviates from and on be provided with a plurality of mounting grooves, a plurality of mounting grooves set up along the circumference orientation interval of stirring the dish, the shift fork sets up with the mounting groove one -to -one, the equal rotatable setting of one end of every shift fork is in corresponding mounting groove, that stirs the dish is provided with an annular protruding edge near on the terminal surface of mounting disc, and the rotatable cover in annular protruding edge is put on the perisporium of mounting disc. The utility model discloses need not set up gyro wheel and roller pin for nozzle cascade simple structure, it is fixed firm to stir the dish moreover.
Description
Technical field
The utility model is related to a kind of nozzle ring for turbocharger.
Background technology
Nozzle ring is arranged in turbocharger, enters into exhausted air quantity in turbine wheel to control turbine to increase for controlling
The rotating speed of depressor.Nozzle ring generally comprises a mounting disc, a shifting disc, multiple shift fork and multiple blade, and shifting disc is rotatable
It is arranged on the end face of mounting disc, multiple shift forks are provided at circumferentially spaced on the end face of mounting disc, between multiple blade circumferences
On the other end being arranged on mounting disc, shift fork and blade correspond setting, one end of multiple shift forks all mobilizable with
Shifting disc is connected, and the other end of multiple shift forks is all connected with corresponding blade by a bearing pin, and mounting disc is provided with use
In the installing hole through bearing pin, when shifting disc rotates, shifting disc drives shift fork to rotate, and passes through bearing pin band movable vane when shift fork rotates
Piece rotates, and being changed blade angle, being adjusted flow area, thus adjusting air inflow by the rotation of blade.
And as described in the patent document of the patent No. 200920064784.9, in addition it is also necessary to pacify in current nozzle ring
Multiple rollers are arranged on the end face of sabot, roller is rotatably nested with roller pin, and roller pin is fixed in mounting disc, rolling
Take turns for shifting disc is carried out with positioning axially and radially, due to need to arrange roller and roller pin so that nozzle ring structure relatively
For complexity, and roller is nested with and is fixed on roller pin, when nozzle ring is given a shock, fixing unstable between roller and roller pin
Gu, roller shakes easily with respect to roller pin, so that positioning built on the sand to shifting disc.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of nozzle ring for turbocharger, and it is not required to
Roller to be arranged and roller pin are so that nozzle ring structure is simple, and shifting disc fix stably.
For solving above-mentioned technical problem, the nozzle ring for turbocharger that the utility model provides, it includes a peace
Sabot, a shifting disc and multiple shift fork, shifting disc is spindle rotationally arranged on the end face of mounting disc；
Deviating from of shifting disc is provided with multiple mounting grooves on the end face of mounting disc, multiple mounting grooves are along the circumference of shifting disc
Direction interval setting, shift fork and mounting groove correspond setting, and one end of each shift fork is all spindle rotationally arranged in corresponding
In mounting groove；
One convex annular edge is provided with the end face of close mounting disc of shifting disc, convex annular edge is rotatably nested with peace
On the perisporium of sabot.
Preferably, being provided with an annular convex rib, annular convex rib on the end face of close shifting disc of described mounting disc
Offset with the end face of the close mounting disc of shifting disc.
Preferably, described nozzle ring also includes a turbine bushing and a bonnet, turbine bushing and bonnet may be contained within
The side deviating from shifting disc of mounting disc, bonnet is connected with mounting disc and leaves gap between bonnet and mounting disc, and turbine serves as a contrast
Set and bonnet are integrally formed setting.
Preferably, being provided with an annular groove on the described periphery wall of turbine bushing, in annular groove, it is provided with one
Piston ring.
After above structure, the utility model compared with prior art, has the advantage that
Nozzle ring of the present utility model, mounting disc carries out radial positioning by convex annular edge to shifting disc, and shift fork will be dialled
Moving plate is pressed in mounting disc, shift fork axially position is carried out to shifting disc so that shifting disc axially and radially located it is not necessary to
By installing roller, shifting disc is positioned again, it is right to come compared to setting roller on nozzle ring in prior art and roller pin
Shifting disc is positioned, and structure is simplified, and when nozzle ring is given a shock, substantially mounting disc and shift fork will not be produced
Impact is so that shifting disc positioning is firm.
Brief description
Fig. 1 is the structural representation of the utility model nozzle ring；
Fig. 2 is the sectional exploded view of the utility model nozzle ring.
Specific embodiment
With reference to the accompanying drawings and detailed description the utility model is described in more detail.
Shown in Fig. 1, Fig. 2, the nozzle ring that the utility model is used for turbocharger includes a mounting disc 1, a shifting disc
2nd, multiple shift forks 3, a bonnet 402, a turbine bushing 401, multiple blade 501, multiple blade bearing pin 502, a bolt 6 and certain
Away from set 7, one piston ring 8, shifting disc 2 is annular, and shifting disc 2 is spindle rotationally arranged on the end face of mounting disc 1, shifting disc 2
It is coaxially set with mounting disc 1, shifting disc 2 can be around own axis.
Deviating from of shifting disc 2 is provided with multiple mounting grooves 201 on the end face of mounting disc 1, multiple mounting grooves 201 are along stirring
The circumferential direction interval setting of disk 2, shift fork 3 and mounting groove 201 correspond setting, and shift fork 3 is corresponded with blade 501 and sets
Put, one end of each shift fork 3 is all spindle rotationally arranged in corresponding mounting groove 201, and the other end of each shift fork 3 all passes through
One blade bearing pin 502 is connected with corresponding blade 501, and mounting disc 1 is provided with for the installation through blade bearing pin 502
Hole, when shifting disc 2 rotates, shifting disc 2 drives shift fork 3 to rotate, and drives blade 501 by blade bearing pin 502 when shift fork 3 rotates
Rotate, blade angle being changed, adjusting flow area, thus adjusting air inflow by the rotation of blade 501.
One convex annular is provided with the end face of close mounting disc 1 of shifting disc 2 along 202, convex annular is rotatable along 202
It is nested with the perisporium of mounting disc 1 that is to say, that mounting disc 1 carries out radial positioning by convex annular along 202 pairs of shifting discs 2, and
Shifting disc 2 is pressed in mounting disc 1 shift fork 3, and shift fork 3 carries out axially position to shifting disc 2 so that shifting disc 2 can around it certainly
Body axis rotates, and shifting disc 2 is positioned.
One annular convex rib 101 is provided with the end face of close shifting disc 2 of described mounting disc 1, annular convex rib 101 with
The end face of the close mounting disc 1 of shifting disc 2 offsets, so, shifting disc 2 when rotating, shifting disc 2 and annular convex rib 101 phase
Contact, shifting disc 2 is less with annular convex rib 101 contact area so that frictional force is less when shifting disc 2 rotates, and is easy to shifting disc
Rotation.
Described nozzle ring also includes a turbine bushing 401 and a bonnet 402, and turbine bushing 401 and bonnet 402 are respectively provided with
In the side deviating from shifting disc 2 of mounting disc 1, bonnet 402 is connected with mounting disc 1 and leaves between bonnet 402 and mounting disc 1
Gap, bonnet 402 is tabular, and bonnet 402 is paralleled with the end face deviating from shifting disc 2 of mounting disc 1, turbine bushing 401
It is integrally formed setting with bonnet 402, the two ends of bolt 6 are connected on bonnet 402 and mounting disc 1, spacer sleeve 7 fixation is nested with
On bolt 6, what spacer sleeve 7 was located at bonnet 402 and mounting disc 1 deviates between the end face of shifting disc 2, the two ends of spacer sleeve 7
Offset with bonnet 402 and mounting disc 1 respectively, spacer sleeve 7 makes to have gap between bonnet 402 and mounting disc 1, blade 501 sets
Put in the gap, turbine bushing 401 is sleeve-shaped, and the periphery wall of turbine bushing 401 is provided with an annular groove 403, ring
It is provided with a piston ring 8 in connected in star 403, so, when this nozzle ring is installed, turbine bushing 401 is assembled turbocharger snail
On shell, turbocharger volute is provided with pilot hole, assembling in the hole is provided with piston groove, and turbine bushing 401 is assembled to this
After assembling in the hole, piston ring 8 is embedded into piston channel so that this nozzle ring firmly installs.
Below only explanation is made that with regard to the utility model application preferably example, but is not to be construed as to claim
Limit, structure of the present utility model can have other changes, is not limited to said structure.In a word, all of the present utility model solely
The various change made in vertical scope of the claims is all in protection domain of the present utility model.
Claims (4)
1. a kind of nozzle ring for turbocharger, it includes a mounting disc (1), a shifting disc (2) and multiple shift fork (3),
Shifting disc (2) be spindle rotationally arranged on the end face of mounting disc (1) it is characterised in that:
Deviating from of shifting disc (2) is provided with multiple mounting grooves (201) on the end face of mounting disc (1), multiple mounting groove (201) edges
The circumferential direction interval setting of shifting disc (2), shift fork (3) is corresponded with mounting groove (201) and arranges, and the one of each shift fork (3)
End is all spindle rotationally arranged in corresponding mounting groove (201)；
One convex annular is provided with the end face of close mounting disc (1) of shifting disc (2) along (202), convex annular can turn along (202)
Dynamic is nested with the perisporium of mounting disc (1).
2. a kind of nozzle ring for turbocharger according to claim 1 it is characterised in that: described mounting disc
(1) annular convex rib (101), annular convex rib (101) and shifting disc (2) are provided with the end face of close shifting disc (2)
End face near mounting disc (1) offsets.
3. a kind of nozzle ring for turbocharger according to claim 1 it is characterised in that: described nozzle ring is also
Including a turbine bushing (401) and a bonnet (402), turbine bushing (401) and bonnet (402) may be contained within mounting disc (1)
Deviate from the side of shifting disc (2), bonnet (402) is connected with mounting disc (1) and leaves between bonnet (402) and mounting disc (1)
Gap, turbine bushing (401) and bonnet (402) are integrally formed setting.
4. a kind of nozzle ring for turbocharger according to claim 3 it is characterised in that: described turbine bushing
(401) annular groove (403) is provided with periphery wall, in annular groove (403), is provided with a piston ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620962424.0U CN205908317U (en) | 2016-08-29 | 2016-08-29 | A nozzle cascade for turbo charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620962424.0U CN205908317U (en) | 2016-08-29 | 2016-08-29 | A nozzle cascade for turbo charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205908317U true CN205908317U (en) | 2017-01-25 |
Family
ID=57800239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620962424.0U Withdrawn - After Issue CN205908317U (en) | 2016-08-29 | 2016-08-29 | A nozzle cascade for turbo charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205908317U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224013A (en) * | 2016-08-29 | 2016-12-14 | 萍乡德博科技股份有限公司 | A kind of nozzle ring for turbocharger |
| EP3902982A4 (en) * | 2018-12-29 | 2022-09-14 | Nissens Automotive A/S | A nozzle ring structure |
-
2016
- 2016-08-29 CN CN201620962424.0U patent/CN205908317U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224013A (en) * | 2016-08-29 | 2016-12-14 | 萍乡德博科技股份有限公司 | A kind of nozzle ring for turbocharger |
| EP3902982A4 (en) * | 2018-12-29 | 2022-09-14 | Nissens Automotive A/S | A nozzle ring structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170125 Effective date of abandoning: 20180810 |
|
| AV01 | Patent right actively abandoned |