CN105863822B - A kind of positioning by-pass structure of anti-clamping stagnation - Google Patents
A kind of positioning by-pass structure of anti-clamping stagnation Download PDFInfo
- Publication number
- CN105863822B CN105863822B CN201610177305.9A CN201610177305A CN105863822B CN 105863822 B CN105863822 B CN 105863822B CN 201610177305 A CN201610177305 A CN 201610177305A CN 105863822 B CN105863822 B CN 105863822B
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- China
- Prior art keywords
- butterfly valve
- center
- center butterfly
- stifled
- valve set
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Classifications
-
- 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
-
- 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 invention provides a kind of positioning by-pass structure of anti-clamping stagnation, stifled, center butterfly valve, position rotating ring, rotary limited ring, upper valve base and center butterfly valve set are covered including lower valve base, center butterfly valve, the short axle end of the center butterfly valve is arranged in the stifled centre bore of center butterfly valve set, and the longitudinal end of the center butterfly valve passes through the centre bore of center butterfly valve set；The stifled two sides with center butterfly valve set of center butterfly valve set are equipped with close to the front end face of cylinder in axle center, and the upper valve base and lower valve base are separately mounted to the center stifled two sides with center butterfly valve set of butterfly valve set；The center butterfly valve set is stifled to set gradually position rotating ring and rotary limited ring between the front end face of cylinder of center butterfly valve set both sides and upper valve base and lower valve base, and the end of the upper valve base and lower valve base is bolted on together.Relative to prior art, the present invention has the advantage that：Can solve center butterfly valve well and clamping stagnation situation occurs, while use modular design concept, it is possible to achieve versatility.
Description
Technical field
The invention belongs to turbo-charger technical field, more particularly, to a kind of positioning by-pass structure of anti-clamping stagnation.
Background technology
The increase of lifting, diesel engine speed span recently as the supercharging pressure ratio needed for diesel engine, conventional at present
Single stage supercharging has been difficult to meet comprehensively.Because conventional single stage supercharging compressor efficiency while pressure ratio improves can be greatly reduced,
Range of flow drastically narrows, it is impossible to takes into account automobile-used high, low speed operating mode comprehensively；It is big will to improve pressure ratio palpus for conventional single stage supercharging simultaneously
Amplitude improves supercharger speed, and due to being limited by factors such as supercharger impeller structure, material property, processing technologys, reliability is deposited
In some problems.Need to conduct a research to the efficient Multi-model control supercharging technology special topic of the wide range of flow of high pressure ratio for this, to solve
The technical bottlenecks such as the high pressure ratio, wide range of flow and the full working scope matching that are faced in high power density diesel engine development.
The range of operation of military vehicle diesel engine is wider, higher to requirements such as the economy in the range of full working scope, dynamic property.
If realize the Optimum Matching of Two Stage Turbocharging System and diesel engine in the range of full working scope, then must be to two-stage supercharging system
System is adjusted.The regulative mode of Two Stage Turbocharging System has many kinds, can be adjusted in generator terminal of calming the anger, can also be in turbine
End is adjusted, and can be adjusted simultaneously with both ends.The method of regulation also has many kinds, such as can be in hiigh pressure stage turbine inlet
The installation and adjustment valve between lower pressure stage turbine import, by changing the distribution of the turbine work(between two-stage turbine come to pressure charging system
It is adjusted, bypass regulation can also be directly carried out before hiigh pressure stage turbine inlet, compressor also has break-make and regulation etc. a variety of
Mode, different adjustment scheme correspond to different engine application targets, and influence of the regulation valve characteristic therein to performance is also very big.
For turbine end bypass regulation due to being influenceed by high-temperature exhaust air, the thermal deformation of by-pass structure can be larger, when setting
Meter process intermediate gap stay the smaller catching phenomenon that will occur causes by-pass structure flexibly to operate the work(for making it lose regulation
Can, when larger in the gap that design process is stayed and can easily produce gas leakage situation, this aspect can lose exhaust energy, another
Aspect leaks the reliability for influencing whether other parts, therefore how to ensure that by-pass structure also can under less gap
Neatly operate, just turn into the key of by-pass structure design.
The content of the invention
In view of this, the present invention is directed to propose a kind of positioning by-pass structure of anti-clamping stagnation, to solve turbine end by-pass structure
The problem of easy clamping stagnation.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of positioning by-pass structure of anti-clamping stagnation, including lower valve base, center butterfly valve set are stifled, center butterfly valve, position rotating ring,
Rotary limited ring, upper valve base and center butterfly valve set, the short axle end of the center butterfly valve are arranged on the stifled centre bore of center butterfly valve set
Interior, the longitudinal end of the center butterfly valve passes through the centre bore of center butterfly valve set；The center butterfly valve set blocks up and center butterfly valve set
Two sides are equipped with close to the front end face of cylinder in axle center, and it is stifled with that the upper valve base and lower valve base are separately mounted to center butterfly valve set
The two sides of heart butterfly valve set；The center butterfly valve set blocks up and the front end face of cylinder of center butterfly valve set both sides and upper valve base and lower valve base
Between set gradually position rotating ring and rotary limited ring, the end of the upper valve base and lower valve base is bolted on one
Rise.
Further, it is stifled be more than center butterfly valve set for the radial width sum of the position rotating ring and rotary limited ring
The radial width on the front end face of cylinder of heart butterfly valve set both sides.
Further, annular groove is equipped with the outside of the stifled two sides covered with center butterfly valve of center butterfly valve set, it is described
Upper valve base and lower valve base are caught in annular groove by the annular boss of inner face.
Relative to prior art, the present invention has the advantage that：
(1) by-pass structure of the present invention can solve center butterfly valve generation clamping stagnation situation well, while using modular
Design concept, it is possible to achieve versatility；
(2) it is reasonable in design, it is simple in construction, easily realize, low manufacture cost.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the sectional view of the positioning by-pass structure of anti-clamping stagnation described in the embodiment of the present invention；
Fig. 2 is the side view of the positioning by-pass structure of anti-clamping stagnation described in the embodiment of the present invention；
Fig. 3 is Fig. 1 partial enlarged drawing.
Description of reference numerals：
1- lower valve bases, butterfly valve set in 2- centers is stifled, 3- centers butterfly valve, 4- position rotating rings, 5- rotary limited rings, 6- upper valves
Seat, 7- centers butterfly valve set, 8- fixing nuts, 9- fixing bolts, 3a- axial ends one, 2a- axial ends two.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of positioning by-pass structure of anti-clamping stagnation, as shown in figure 1, blocking up 2, center butterfly valve including lower valve base 1, center butterfly valve set
3rd, position rotating ring 4, rotary limited ring 5, upper valve base 6 and center butterfly valve set 7, during the short axle end of the center butterfly valve 3 is arranged on
In the centre bore of heart butterfly valve set stifled 2, the longitudinal end of the center butterfly valve 3 covers 7 centre bore through center butterfly valve；The center butterfly
The two sides of valve pocket stifled 2 and center butterfly valve set 7 are equipped with close to the front end face of cylinder in axle center, and the upper valve base 6 and lower valve base 1 divide
Not An Zhuan center butterfly valve set stifled 2 and center butterfly valve set 7 two sides；The center butterfly valve set stifled 2 and center butterfly valve cover 7 both sides
The front end face of cylinder and upper valve base 6 and lower valve base 1 between set gradually position rotating ring 4 and rotary limited ring 5, the upper valve
The end of seat 6 and lower valve base 1 is bolted on together.
The radial width sum of the position rotating ring 4 and rotary limited ring 5 is more than center butterfly valve set stifled 2 and center butterfly valve
The radial width on the front end face of cylinder of 7 both sides is covered, the axial end one contacted so as to the center butterfly valve 3 with rotary limited ring 5
Gap is formed between 3a and the adjacent 2a of axial end two of center butterfly valve set stifled 2 or center butterfly valve set 7, prevents that end face is rubbed
Wipe.
Annular groove, the upper valve base 6 are equipped with the outside of the two sides of the center butterfly valve set stifled 2 and center butterfly valve set 7
It is caught in lower valve base 1 by the annular boss of inner face in annular groove, good reliability.
The assembling process of the positioning by-pass structure of the anti-clamping stagnation is as follows:
The position rotating ring 4 is arranged on the front end face of cylinder of center butterfly valve set stifled 2 and center butterfly valve set 7, then will
Rotary limited ring 5 is arranged on the front end face of cylinder of center butterfly valve set stifled 2 and center butterfly valve set 7；By the short of the center butterfly valve 3
Shaft end is arranged in the centre bore of center butterfly valve set stifled 2, and the center butterfly valve set 7 is arranged on center butterfly on the basis of its centre bore
The longitudinal end of valve 3；The upper valve base 6 and lower valve base 1 are separately mounted to what is be made up of center butterfly valve set stifled 2 and center butterfly valve set 7
The both sides of component；And most upper valve base 6 and the end of lower valve base 1 altogether, are fixed by fixing nut 8 and fixing bolt 9 at last,
It is formed a modular by-pass structure.
By increasing position rotating ring 4 and rotary limited ring 5, when center butterfly valve 3 occur axial float when directly with it is spacing
The end contact of rotating ring 5, and then in rotary course position rotating ring 4 and rotary limited ring 5 can be driven to rotate without being formed
Dry friction, because the radial dimension of position rotating ring 4 and rotary limited ring 5 is more than center butterfly valve set stifled 2 and the peace of center butterfly valve set 7
Holding position size, therefore gap can be formed, so that center butterfly valve 3 will not connect with center butterfly valve set stifled 2 and center butterfly valve set 7
Touch, so clamping stagnation situation will not occur.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (2)
- A kind of 1. positioning by-pass structure of anti-clamping stagnation, it is characterised in that：Including lower valve base (1), center butterfly valve set stifled (2), center Butterfly valve (3), position rotating ring (4), rotary limited ring (5), upper valve base (6) and center butterfly valve set (7), the center butterfly valve (3) Short axle end be arranged in the centre bore of center butterfly valve set stifled (2), the longitudinal end of the center butterfly valve (3) passes through center butterfly valve set (7) centre bore；The two sides of the center butterfly valve set stifled (2) and center butterfly valve set (7) are equipped with the nose circle close to axle center Cylinder, the upper valve base (6) and lower valve base (1)It is separately mounted to the two sides of center butterfly valve set stifled (2) and center butterfly valve set (7)；Center butterfly valve set stifled (2) and in Position rotating ring (4) is set gradually between the front end face of cylinder of heart butterfly valve set (7) both sides and upper valve base (6) and lower valve base (1) With rotary limited ring (5), the end of the upper valve base (6) and lower valve base (1) is bolted on together；The radial width sum of the position rotating ring (4) and rotary limited ring (5) is more than center butterfly valve set stifled (2) and center butterfly The radial width on the front end face of cylinder of valve pocket (7) both sides.
- 2. the positioning by-pass structure of anti-clamping stagnation according to claim 1, it is characterised in that：The center butterfly valve set is stifled (2) With annular groove is equipped with the outside of the two sides of center butterfly valve set (7), the upper valve base (6) and lower valve base (1) pass through the inner The annular boss in face is caught in annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177305.9A CN105863822B (en) | 2016-03-24 | 2016-03-24 | A kind of positioning by-pass structure of anti-clamping stagnation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177305.9A CN105863822B (en) | 2016-03-24 | 2016-03-24 | A kind of positioning by-pass structure of anti-clamping stagnation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105863822A CN105863822A (en) | 2016-08-17 |
| CN105863822B true CN105863822B (en) | 2018-04-06 |
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ID=56625693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610177305.9A Active CN105863822B (en) | 2016-03-24 | 2016-03-24 | A kind of positioning by-pass structure of anti-clamping stagnation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105863822B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122279U (en) * | 1991-11-04 | 1992-11-18 | 温州市向阳化工设备厂 | Butterfly bamper with fluorine plastic lining |
| US5388807A (en) * | 1994-07-29 | 1995-02-14 | Habicht; Helmut | Modular butterfly valve |
| JPH0989122A (en) * | 1995-09-20 | 1997-03-31 | Tomoe Gijutsu Kenkyusho:Kk | Butterfly valve preventing dew condensation |
| JPH10153266A (en) * | 1996-11-20 | 1998-06-09 | Kitz Corp | Butterfly valve |
| US5839717A (en) * | 1997-03-25 | 1998-11-24 | Feigel; Kurt R. | Valve with improved shaft retainer |
| CN201145046Y (en) * | 2007-11-15 | 2008-11-05 | 机械工业第五设计研究院 | Non-clamp out release prevention hard seal welding butterfly valve |
| CN101865295A (en) * | 2010-06-13 | 2010-10-20 | 无锡智能自控工程有限公司 | Shaft-end positioning structure of butterfly valve transmission shaft |
| CN202252309U (en) * | 2011-08-26 | 2012-05-30 | 中国石油化工股份有限公司 | Butterfly valve applicable to dust medium |
| CN103438227A (en) * | 2013-09-09 | 2013-12-11 | 浙江中德自控阀门有限公司 | Metal-sealing insulation jacket butterfly valve |
| EP2881634A1 (en) * | 2013-12-04 | 2015-06-10 | MAHLE Behr GmbH & Co. KG | Flap assembly for an actuator, in particular for an exhaust valve of a combustion engine |
-
2016
- 2016-03-24 CN CN201610177305.9A patent/CN105863822B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122279U (en) * | 1991-11-04 | 1992-11-18 | 温州市向阳化工设备厂 | Butterfly bamper with fluorine plastic lining |
| US5388807A (en) * | 1994-07-29 | 1995-02-14 | Habicht; Helmut | Modular butterfly valve |
| JPH0989122A (en) * | 1995-09-20 | 1997-03-31 | Tomoe Gijutsu Kenkyusho:Kk | Butterfly valve preventing dew condensation |
| JPH10153266A (en) * | 1996-11-20 | 1998-06-09 | Kitz Corp | Butterfly valve |
| US5839717A (en) * | 1997-03-25 | 1998-11-24 | Feigel; Kurt R. | Valve with improved shaft retainer |
| CN201145046Y (en) * | 2007-11-15 | 2008-11-05 | 机械工业第五设计研究院 | Non-clamp out release prevention hard seal welding butterfly valve |
| CN101865295A (en) * | 2010-06-13 | 2010-10-20 | 无锡智能自控工程有限公司 | Shaft-end positioning structure of butterfly valve transmission shaft |
| CN202252309U (en) * | 2011-08-26 | 2012-05-30 | 中国石油化工股份有限公司 | Butterfly valve applicable to dust medium |
| CN103438227A (en) * | 2013-09-09 | 2013-12-11 | 浙江中德自控阀门有限公司 | Metal-sealing insulation jacket butterfly valve |
| EP2881634A1 (en) * | 2013-12-04 | 2015-06-10 | MAHLE Behr GmbH & Co. KG | Flap assembly for an actuator, in particular for an exhaust valve of a combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105863822A (en) | 2016-08-17 |
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