CN205840997U - A kind of exhaust gas bypass valve system of turbocharger - Google Patents
A kind of exhaust gas bypass valve system of turbocharger Download PDFInfo
- Publication number
- CN205840997U CN205840997U CN201620394586.9U CN201620394586U CN205840997U CN 205840997 U CN205840997 U CN 205840997U CN 201620394586 U CN201620394586 U CN 201620394586U CN 205840997 U CN205840997 U CN 205840997U
- Authority
- CN
- China
- Prior art keywords
- elastic washer
- valve gap
- hole
- pressing plate
- face
- 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
-
- 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 the exhaust gas bypass valve system of a kind of turbocharger, including push rod and valve gap, described push rod be radially provided with rocking arm, the outboard end of rocking arm is provided with pressing plate, and pressing plate is provided with through hole, the bearing pin socket that through hole and described valve gap end face are arranged；Described bearing pin is further fixed on spacing shim above pressing plate；Between the opposite face of described pressing plate and described valve gap, also abut flexible part.The beneficial effects of the utility model are: dependable performance and can reduce noise.
Description
Technical field
This utility model relates to auto parts, the exhaust gas bypass valve system of a kind of turbocharger.
Background technology
Turbo charge system can obtain bigger power and moment of torsion under less cylinder displacement, has been widely used in
Automotive field.Chinese patent literature CN204610021U, discloses " turbocharger deflation valve lid " in JIUYUE in 2015 on the 2nd, bag
Including push rod, valve gap and be arranged at the rocking arm of push rod end, described rocking arm is provided with the pressing plate relative with valve gap, pressing plate sets
Having through hole, described valve gap top to be provided with the bearing pin running through through hole, described bearing pin is through the fixedly sleeved limited location in end of through hole
Pad, described bearing pin is socketed with and the elastic collar of clamp surface laminating, and described pressing plate and valve gap are plane contact, Spring Card
Circle and pressing plate are plane contact.Use the bypass mechanism of this technical scheme, the valve gap of the bypass mechanism of turbocharger and push rod
For being flexibly connected, under the interval percussion of high-speed pneumatic, elastic collar is easily overly compressed, and causes fatigue of materials to carry
Front inefficacy.
Summary of the invention
This utility model technical issues that need to address are, the exhaust gas bypass valve system processing performance of existing turbocharger
Difference, performance is unreliable, and operating noise is big, thus provides one can reduce noise, has again the turbocharging of good reliability
The exhaust gas bypass mechanism of device.
To achieve these goals, this utility model adopts the following technical scheme that the exhaust gas bypass of a kind of turbocharger
Valve system, including push rod and valve gap, described push rod be radially provided with rocking arm, the outboard end of rocking arm is provided with pressing plate, and pressing plate sets
Through hole, through hole is had to be socketed with the bearing pin of setting on described valve gap end face；Described bearing pin is further fixed on spacing shim above pressing plate；
Between the opposite face of described pressing plate and described valve gap, also abut flexible part.
The valve gap of the exhaust gas bypass valve system of turbocharger needs gap to open and close, and needs unobstructed during unlatching, needs during closedown
Seal.The technical program devises elastic component for this, is connected between pressing plate and the opposite face of valve gap.In off position, logical
Cross the elastic force of elastic component, promote valve gap to seal, in opening, as long as rotating push-rod, driven even by rocking arm and pressing plate
The valve gap connect overcomes elastic force, rotates around push rod shaft, can open valve gap.
As preferably, described elastic component is elastic washer, is provided with packing ring through hole, and is socketed by this packing ring through hole in the middle part of it
On described bearing pin；Described packing ring be shaped as approximate cuboid, the thickness direction that radial direction is cuboid of described packing ring through hole,
And it is parallel to elastic direction.It is provided with packing ring through hole in order to avoid the displacement of elastic component causes structural failure, this programme have employed
Elastic washer is as elastic component, and is socketed on bearing pin by elastic washer.
As preferably, described elastic washer middle part in the longitudinal direction is provided with the arch ring in bearing pin outboard end direction.
Owing to the open gap of valve gap need not very big, therefore have a biggest springing stroke also without elastic washer, and elastic shape
Requiring during change to have stability and concordance, to reach the effect of noise reduction, the elastic washer therefore selected in this programme is
Middle part is in the square of arch bridge shape or rectangle packing ring.
As preferably, described elastic washer two ends in the longitudinal direction are provided with footing, and the bottom surface of described footing is parallel to
Packing ring through hole radially face, place.The bottom surface of footing is flat, the elastic washer compression when stress, and footing stretches out, the end
Face and the contact surface on valve gap are bigger, and the sliding effect during extension is more steady, and noise is less, and the structure of elastic washer is reliable
Property more preferable, more portion is easily overly compressed, and service life is longer.
As preferably, described valve gap end face is provided with a pair elastic washer rail plate, and described footing is the most adaptive
Described elastic washer rail plate.This rail projection is on valve gap end face, and the upper surface of guide rail, as sliding surface, is total
In undertake the main positions of sliding friction.Can this position be carried out structure-reinforced, be conducive to improving structural reliability；To on guide rail
Sliding surface carry out effectively lubricating, the footing of elastic washer sliding effect on guide rail can be greatly improved, more can be significantly
Alleviate noise, the NVH performance that beneficially vehicle is overall.
As preferably, described valve gap end face is additionally provided with a pair platen limited wall；With the free height of elastic washer as H,
The height of most compressed state is h, and the height of described platen limited wall is L, has H ＞ L ＞ h.Platen limited wall is used for limiting pressure
The dish depression degree to elastic washer, lost efficacy to avoid elastic washer to produce elastic fatigue too early.
As preferably, what described platen limited wall was close to one to one is located at outside described elastic washer rail plate
Side.This programme also using platen limited wall as the position limiting structure of the width to elastic washer, it is to avoid elastic washer is in work
In rotate arbitrarily, and cause elastic failure.
In theory, by the arch direction of elastomeric pad towards bearing pin medial extremity also can, but need will now be located at valve gap top
On elastic washer rail plate on face and the adaptive bottom surface being located at pressing plate of platen limited wall.And such design is structurally
With in application, not there is advantage, the abrasion of guide rail can be increased on the contrary, increase the risk that elastic washer lost efficacy, therefore it is not recommended that adopt
Use such layout.
In sum, the beneficial effects of the utility model are: can reduce noise, have again good reliability.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model,
Fig. 2 is the structural representation of valve gap in this utility model,
Fig. 3 is the structural representation of this utility model Elastic pad,
Fig. 4 is the schematic diagram at another visual angle of Fig. 3,
Fig. 5 is the sectional view that valve gap crosses bearing pin initial point when being closed,
Fig. 6 is the sectional view that valve gap crosses bearing pin initial point when being in opening.
Wherein: 1 push rod, 2 valve gaps, 3 spacing shims, 4 elastic components, 11 rocking arms, 12 pressing plates, 21 elastic washer rail plates,
22 platen limited walls, 23 bearing pins, 41 footing, 42 arch rings, 43 packing ring through holes.
Detailed description of the invention
With detailed description of the invention, this utility model is further described below in conjunction with the accompanying drawings.
Embodiment as shown in Figure 1, for the exhaust gas by-pass valve machine of a kind of turbocharger applied on engine with supercharger
Structure, including a push rod 1, the front end of push rod is radially fixed rocking arm 11, and the outboard end of rocking arm is fixed with pressing plate 12, and pressing plate sets
Through hole, through hole is had to be socketed with the bearing pin 23 of setting on described valve gap end face；The position that bearing pin is socketed with through hole above pressing plate
Outside, be fixed with spacing shim 3 also by riveting.
As in figure 2 it is shown, the end face of the valve gap in this example is provided with bearing pin 23 upwards between two parties, end face is additionally provided with a pair elasticity
Packing ring rail plate 21, is close to outside elastic washer rail plate, is a pair platen limited wall 22, the height of platen limited wall
Higher than elastic washer rail plate.
As shown in Figure 3 and Figure 4, what the elastic component in this example was selected is elastic washer.The shape approximation of this kind of elastic washer
Cuboid, flat shape is approximation rectangle, is provided with packing ring through hole 43 on the thickness direction of elastic washer.At elastic washer
On length direction, centre is arch ring 42 upwards, and two ends are provided with footing 41, makes elastic washer form the shape of similar arch bridge.The end
The bottom surface of foot is plane, and this plane is parallel to packing ring through hole radially face, place, the bullet that namely in this example, valve gap end face is provided with
The sliding surface of property packing ring rail plate.
When assembled, elastic washer passes through packing ring through hole, is socketed on bearing pin, makes elastic washer in a thickness direction
It is connected between pressing plate and the opposite face of valve gap.Meanwhile, the footing of elastic washer contacts with elastic washer rail plate, cushion
The width of circle is limited in the spacing between platen limited wall.And, with the free height of elastic washer as H, maximum compression
The height of state is h, and the height of described platen limited wall is L, has H ＞ L ＞ h.In this example, H=2.5mm, h=0.3mm, L=
1.5mm。
The exhaust gas bypass valve system of a kind of turbocharger of this example, when needs valve gap is in closure state, such as Fig. 5 institute
Showing, elastic washer is in the end face of the platen limited wall on compressive state, platen and valve gap and is close to close, and transmits push rod applying
In the Guan Bi torsion of valve gap, also ensure that elastic washer will not be further compressed and reduce life-span or damage simultaneously；When needs valve
When lid is in opening, as shown in Figure 6, elastic washer is in the top of the platen limited wall on Pre strained state, platen and valve gap
Between face, gap is maximum, and valve gap can not arbitrarily rock under the pretightning force effect of elastic washer.A kind of turbocharger of this example
Exhaust gas bypass valve system, there is manufacturability good, dependable performance and the technical advantage of noise can be reduced.
Claims (3)
1. an exhaust gas bypass valve system for turbocharger, including push rod (1) and valve gap (2), is characterized in that, described push rod
Radially being provided with rocking arm (11), the outboard end of rocking arm is provided with pressing plate (12), and pressing plate is provided with through hole, through hole and described valve gap end face
Bearing pin (23) socket of upper setting；Described bearing pin is further fixed on spacing shim (3) above pressing plate；Described pressing plate and described valve gap
Opposite face between, also abut flexible part (4)；Described elastic component is elastic washer, is provided with packing ring through hole (43) in the middle part of it, and
It is socketed on described bearing pin by this packing ring through hole；Described packing ring be shaped as approximate cuboid, the radial direction of described packing ring through hole
For the thickness direction of cuboid, and it is parallel to elastic direction；Described elastic washer middle part in the longitudinal direction is provided with pin
The arch ring (42) in axle outboard end direction；Described elastic washer two ends in the longitudinal direction are provided with footing (41), described footing
Bottom surface is parallel to packing ring through hole radially face, place；Described valve gap end face is provided with a pair elastic washer rail plate (21), described
The most adaptive described elastic washer rail plate of footing.
The exhaust gas bypass valve system of a kind of turbocharger the most according to claim 1, is characterized in that, described valve gap end face
On be additionally provided with a pair platen limited wall (22)；With the free height of elastic washer as H, the height of most compressed state is h, described
The height of platen limited wall is L, has H ＞ L ＞ h.
The exhaust gas bypass valve system of a kind of turbocharger the most according to claim 2, is characterized in that, described platen is spacing
What wall was close to one to one is located at the outside of described elastic washer rail plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620394586.9U CN205840997U (en) | 2016-05-04 | 2016-05-04 | A kind of exhaust gas bypass valve system of turbocharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620394586.9U CN205840997U (en) | 2016-05-04 | 2016-05-04 | A kind of exhaust gas bypass valve system of turbocharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205840997U true CN205840997U (en) | 2016-12-28 |
Family
ID=57628018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620394586.9U Active CN205840997U (en) | 2016-05-04 | 2016-05-04 | A kind of exhaust gas bypass valve system of turbocharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205840997U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397279A (en) * | 2018-01-18 | 2018-08-14 | 浙江义利汽车零部件有限公司 | Exhaust gas bypass executing agency and turbocharger with the mechanism |
| CN109268131A (en) * | 2017-07-18 | 2019-01-25 | 上海汽车集团股份有限公司 | A kind of the Studying about Turbocharger of Engine device turbine box assembly and its exhaust gas valve |
| CN113339127A (en) * | 2021-05-10 | 2021-09-03 | 重庆长安汽车股份有限公司 | Waste gas bypass valve assembly for supercharger and vehicle |
-
2016
- 2016-05-04 CN CN201620394586.9U patent/CN205840997U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268131A (en) * | 2017-07-18 | 2019-01-25 | 上海汽车集团股份有限公司 | A kind of the Studying about Turbocharger of Engine device turbine box assembly and its exhaust gas valve |
| CN109268131B (en) * | 2017-07-18 | 2021-01-22 | 上海汽车集团股份有限公司 | Turbine box assembly of engine exhaust gas turbocharger and exhaust gas valve of turbine box assembly |
| CN108397279A (en) * | 2018-01-18 | 2018-08-14 | 浙江义利汽车零部件有限公司 | Exhaust gas bypass executing agency and turbocharger with the mechanism |
| CN108397279B (en) * | 2018-01-18 | 2019-09-10 | 浙江义利汽车零部件有限公司 | Exhaust gas bypass executing agency and turbocharger with the mechanism |
| CN113339127A (en) * | 2021-05-10 | 2021-09-03 | 重庆长安汽车股份有限公司 | Waste gas bypass valve assembly for supercharger and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205840997U (en) | A kind of exhaust gas bypass valve system of turbocharger | |
| CN102918236A (en) | Compression brake system for an engine | |
| CN106089348B (en) | A kind of air valve bridge and the engine including the air valve bridge | |
| TWI460346B (en) | Engine variable valve door construction | |
| KR950031831A (en) | Robot hand for forging | |
| CN106194306B (en) | Air valve bridge and Rocker arm assembly and engine including the air valve bridge and Rocker arm assembly | |
| US2445148A (en) | Combined pump and motor cylinder coaxial | |
| CN105464707A (en) | Elastic pneumatic engine | |
| CN110566315A (en) | Compression release type in-cylinder brake device for engine | |
| CN101586485B (en) | Valve mechanism of swing structure engine | |
| CN205401500U (en) | Toggle link formula underdrive knuckle lever coining press clutch | |
| CN201021640Y (en) | Engine arrester | |
| CN206860964U (en) | Air bleeding valve | |
| CN201448137U (en) | Actuating cylinder of exhaust brake valve of automobile engine and exhaust brake valve | |
| JP2020516804A (en) | Mechanical valve operating device | |
| CN204098976U (en) | Motor auxiliary valve driving mechanism | |
| CN203077181U (en) | Two-stage type air inlet device capable of achieving pre-tightening function for air wrench | |
| CN201412199Y (en) | Dual-tappet distribution mechanism for engine | |
| CN204402602U (en) | A kind of camshaft assembly with reduction valve | |
| CN105485410B (en) | A kind of angle stroke cylinder protecting against shock buffer gear | |
| CN202412733U (en) | Friction press of operating cylinder and balance cylinders of gas-powered flywheel | |
| CN204098959U (en) | Elastic pneumatic motor | |
| CN203430590U (en) | Motorcyle engine rocker assembly | |
| CN209507014U (en) | A kind of collapsible turnover panel blocking mechanism | |
| CN201190608Y (en) | Seal structure of oil pump for automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 433, xingciqi Road, Hangzhou Bay New District, Cixi City, Ningbo City, Zhejiang Province Patentee after: Ningbo Fengwo booster Technology Co.,Ltd. Address before: No. 433, xingciqi Road, Hangzhou Bay New District, Cixi City, Ningbo City, Zhejiang Province Patentee before: VOFON TURBO SYSTEMS (NINGBO) Co.,Ltd. |