CN108397279B - Exhaust gas bypass executing agency and turbocharger with the mechanism - Google Patents
Exhaust gas bypass executing agency and turbocharger with the mechanism Download PDFInfo
- Publication number
- CN108397279B CN108397279B CN201810046752.XA CN201810046752A CN108397279B CN 108397279 B CN108397279 B CN 108397279B CN 201810046752 A CN201810046752 A CN 201810046752A CN 108397279 B CN108397279 B CN 108397279B
- Authority
- CN
- China
- Prior art keywords
- pull rod
- exhaust gas
- rocker arm
- gas bypass
- locking member
- 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.)
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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
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
- F02B37/183—Arrangements of bypass valves or actuators therefor
- F02B37/186—Arrangements of actuators or linkage for bypass valves
-
- 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
A kind of booster exhaust gas bypass executing agency, including pull rod, rocker arm and locking member, the pull rod and the rocker arm are hinged, the locking member is flexible, and one end of the locking member is connected to the rocker arm, the other end is fixed on the pull rod, to stablize the relative position between the pull rod and the rocker arm.The present invention generates axial pre tightening force to pull rod, improves percussion problem, reduce noise adding locking member made of elastic material in bypass executing agency；And it is small to bypass valve actuating mechanism change, cost is very low；And it can be suitably used in the bypass executing agencies of all kinds of similar structures, strong applicability.
Description
Technical field
The present invention relates to engine turbine technical field more particularly to a kind of exhaust gas bypass executing agency and there is the mechanism
Turbocharger.
Background technique
With the generally use of automobile, requirement of the people to the performance of automobile engine is higher and higher, and turbocharger
More and more extensive use has been obtained as improving engine power performance, economy, improving the effective means discharged.Due to can
Structure is complicated for variable section turbocharger, at high cost, and the turbocharger arrangement with by-passing valve is simple, reliable effective, at present
The turbocharger with by-passing valve is generally used, and the turbocharger with by-passing valve is mainly controlled by actuator and drawn
Bar, and then rocker arm band movable valve is driven to swing, to realize the switch of exhaust gas bypass valve.
Currently, in technique processing, the cooperation of bypass mechanism structure entire for the back end of tie rod of turbocharger bypass mechanism
Inevitably all there is gap between installation, such as: valve fixes, between valve shaft and axle sleeve, rocker arm pin shaft and pull rod it
Between.
It is being controlled in the mobile fit structure of rocker arm pin shaft by pull rod, there is between pull rod pin hole and rocker arm pin shaft
Axial gap and radial clearance easily lead to pull rod at work and generate along axial generation vibration and tap sound；At the same time, it executes
Deformation easy to wear after the work of device pull rod pin hole through a long time, the radial fit gap of hole axle are further enlarged, and exhaust gas valve is being opened
It when opening or opening critical point, is influenced by exhaust pulses, is extremely easy to produce the resonance of bypass mechanism, influences exhaust gas flow path
Noise is generated while the precision of unlatching size and bypath valve switch size, also further such that executing agency's the operation is stable
Property decline.
Summary of the invention
In view of this, it is necessary to provide a kind of exhaust gas bypass executing agency that noise is effectively reduced and improves stability and tools
There is the turbocharger of the mechanism.
The present invention provides a kind of exhaust gas bypass executing agency, including pull rod, rocker arm and locking member, and the pull rod shakes with described
Arm is hinged, and one end of the locking member is connected to the rocker arm, and the other end is fixed on the pull rod, with stablize the pull rod with
Relative position between the rocker arm, the pull rod are equipped with the first clamping portion, and the locking member includes substrate and is set to described
Second clamping portion of substrate one end, second clamping portion is corresponding with first clamping portion, second clamping portion and institute
State the mutual cooperation of the first clamping portion.
Further, the locking member is elastic component, and one end of the locking member is connected to the pull rod and described shakes
Between arm.
Further, the locking member is elastic slice.
Further, second clamping portion includes hook, and the hook is one end of the substrate and to one lateral bending
Qu Ercheng, and card slot is formed on the hook, first clamping portion is flange, and the hook is socketed on the pull rod, and
First clamping portion abuts the hook and compresses the locking member.
Further, one end of the pull rod is additionally provided with the second connecting hole, and the rocker arm is equipped with interconnecting piece, the pull rod
Hinged by the interconnecting piece and the rocker arm, one end of the locking member is connected to the interconnecting piece；The interconnecting piece is to set
It is equipped with the second connecting hole in the other end of the connection pin shaft of the rocker arm, the substrate corresponding with second clamping portion,
First connecting hole, first connecting hole are socketed on the interconnecting piece.
Further, the most short axial distance of second connecting hole to second clamping portion is less than first connection
Most short axial distance of the hole to first clamping portion.
Further, booster exhaust gas bypass executing agency further includes fastener, and the fastener is connected in described
On interconnecting piece, and abut the pull rod.
Further, booster exhaust gas bypass executing agency further includes actuator and wastegate device, described
Pull rod is connected to the actuator far from one end of the rocker arm, the wastegate device include exhaust gas bypass connecting shaft and
Exhaust gas bypass valve body, the one end of the rocker arm far from the interconnecting piece are connected to described useless by the exhaust gas bypass connecting shaft
Gas bypasses valve body.
The present invention also provides a kind of turbocharger, including above-mentioned exhaust gas bypass executing agency.
The present invention is arranged by adding flexible locking member in exhaust gas bypass executing agency in pull rod and swing arm
Between, to generate axial pretightning force to pull rod, while guaranteeing the stabilization frictional force between pull rod and rocker arm, limit drawing
Bar improves percussion problem in the axial displacement of rocker arm connecting pin axis direction, reduces noise；And this locking member structure is simple, to increasing
Depressor by-passing valve execution structural modification is very small, at low cost, can be suitably used for the turbocharger bypass executing agency of all kinds of similar structures
In, strong applicability.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the exhaust gas bypass executing agency of one embodiment of the invention；
Fig. 2 is the structural schematic diagram of pull rod in Fig. 1；
Fig. 3 is the structural schematic diagram of locking member in Fig. 1；
Fig. 4 is the structural schematic diagram of rocker arm and valve in Fig. 1.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, the present invention is described in detail as follows.
Fig. 1 is the structural schematic diagram of the exhaust gas bypass executing agency of one embodiment of the invention.As shown in Figure 1 and Figure 4, this hair
It is bright to provide a kind of exhaust gas bypass executing agency, including pull rod 10, rocker arm 20 and locking member 30.
Wherein, pull rod 10 and rocker arm 20 are hinged, and one end of locking member 30 is connected to rocker arm 20, and the other end is fixed on pull rod
10, to stablize the relative position between pull rod 10 and rocker arm 20, improve it and mutually collide and wear, reduces noise, and improve
Service life.
In the present embodiment, as shown in Fig. 2, pull rod 10 is equipped with the first clamping portion 102, and one end of pull rod 10 is equipped with first
Connecting hole 103.
In the present embodiment, rocker arm 20 is equipped with interconnecting piece 201；And in the present embodiment, interconnecting piece 201 is set on rocker arm 20
Connection pin shaft, pull rod 10 is articulated with the interconnecting piece 201 of rocker arm 20.
Locking member 30 is elastic component, and in the present embodiment, locking member 30 is specially elastic slice, and one end of locking member 30 is connected to drawing
Between bar 10 and rocker arm 20.
As shown in figure 3, locking member 30 includes substrate 301 and the second clamping portion 302 set on 301 one end of substrate, and with the
The other end of the corresponding substrate 301 in two clamping portion 302 is equipped with the second connecting hole 304, the second clamping portion 302 and the first clamping portion
102 is corresponding, and the second connecting hole 304 is corresponding with the first connecting hole 103.
Specifically, one end of locking member 30 is connected to the interconnecting piece 201, and the other end is fixed on pull rod 10；More specifically
Ground, the second clamping portion 302 of locking member 30 is matched with the first clamping portion 102 of pull rod 10, so that one end of locking member 30
It is fixed on pull rod 10；The first connecting hole 103 on the second connecting hole 304, pull rod 10 on locking member 30 is socketed on interconnecting piece
201, so that locking member 30 provides the active force of an axial direction to the interconnecting piece 201 of pull rod 10 and rocker arm 20 respectively, in turn
So that the position between pull rod 10 and rocker arm 20 is opposite stable, the company of the first connecting hole 103 and rocker arm 20 of pull rod 10 ensure that
Stabilization frictional force between socket part 201, limitation actuator pull rod improve percussion problem, in turn along the axial displacement of rocker arm pin shaft
Guaranteeing exhaust gas bypass executing agency, performance is stablized at work.
In another embodiment, interconnecting piece 201 can also be laid in one end of pull rod 10, and one end of locking member 30 is fixed
In rocker arm 20, the other end can be connected to together the interconnecting piece 201 on pull rod 10 with rocker arm 20, also may make pull rod 10 and rocker arm 20
Between relative position it is more stable, to achieve the object of the present invention.
In other specific embodiments, interconnecting piece 201 is not limited only to connection pin shaft, interconnecting piece described in the present embodiment
201 can also be other similar connecting component, specifically with no restrictions；It and can yet be other between interconnecting piece 201 and rocker arm 20
Fixed form.
As shown in figure 4, exhaust gas bypass executing agency provided by the invention further includes fastener 50, fastener 50, which is connected in, to be shaken
On the interconnecting piece 201 of arm 20, and it is connected to pull rod 10, to fasten to pull rod 10, locking member 30 and the position of rocker arm 20.
In exhaust gas bypass executing agency provided by the invention, the second clamping portion 302 includes hook 3021, and hook 3021 is
One end of substrate 301 is simultaneously formed to one lateral bend, and card slot 3023 is formed on hook 3021, and the first clamping portion 102 is convex
Edge, hook 3021 is socketed on pull rod 10, and the first clamping portion 102 abuts hook 3021 and compresses locking member 30, and to lock
Part 30 deforms at the first clamping portion 102 of pull rod 10.
In a particular embodiment, fastener 50 is limit circlip, and since locking member 30 is elastic slice, and the second of pull rod 10 connects
Connect most short axle of the most short axial distance less than first the 103 to the first clamping portion of connecting hole 102 of the 304 to the second clamping portion of hole 302
To distance, therefore pull rod 10, locking member 30 are connected to rocker arm 20 by the first connecting hole 103, the second connecting hole 304 respectively first
Interconnecting piece 201 after, pull rod 10 can be passed through and card slot 3023 and be connected at the first clamping portion 102 of pull rod 10, finally will be tight
Firmware 50 is installed on interconnecting piece 201, further fixes specific location of the interconnecting piece 201 in the first connecting hole 103 of pull rod 10,
To improve the stability of exhaust gas bypass executing agency.
In specific embodiment provided by the invention, and the angle that hook 3021 and substrate 301 are formed is preferably 0 °~90 °,
So that the more fastening that one end of locking member 30 and pull rod 10 are fixed, so that the relative position of pull rod 10 and rocker arm 10 is more preferable.But
In other specific embodiments, if in the case where obtuse angle combine other ruggedized constructions fastened can also, specific angle is not
It is limited.
As shown in Figure 1 and Figure 4, a kind of booster exhaust gas bypass executing agency provided by the invention further includes 60 He of actuator
Wastegate device 70, pull rod 10 are connected to actuator 60 far from one end of rocker arm 20, and wastegate device 70 includes useless
Gas bypasses connecting shaft 701 and exhaust gas bypass valve body 702, and the one end of rocker arm 20 far from interconnecting piece 201 is connected by exhaust gas bypass
Axis 701 is connected to exhaust gas bypass valve body 702, thus the rotation of the mobile driving rocker arm 20 by control pull rod 10, and then control
Make the opening or closure of the mobile control exhaust gas bypass valve body 702 for the exhaust gas bypass connecting shaft 701 connecting with rocker arm 20.
I.e. pull rod 10 is laid between rocker arm 20 and actuator 60, and adds locking in the hinged place of pull rod 10 and rocker arm 20
Part 30 reduces by second so that the frictional force and compactness between the first connecting hole 103 and rocker arm 20 of pull rod 10 keep stablizing
Abrasion between connecting hole 304 and rocker arm 20 increases service life；Reduce the first connecting hole 103 and rocker arm 20 of pull rod 10
Between collision, reduce noise.
In another specific embodiment provided by the invention, locking member 30 can also be the lockplate with some strength,
The both ends of lockplate offer first through hole and the second through-hole respectively, and pull rod 10 is logical equipped with third corresponding with the second through-hole
Hole after first first through hole is socketed on the interconnecting piece 201 of rocker arm 20 so that position between pull rod 10 and rocker arm 20 is fixed, then leads to
The third through-hole cooperation being inserted into bolt on the second through-hole and pull rod 10 is crossed, pull rod 10 is finally fixed in one end of locking member 30
On, it also may make the position of the interconnecting piece 201 of pull rod 10 and rocker arm 20 relatively fixed, to reduce abrasion, improve service life
And reduce the effect of noise.
In other specific embodiments, the structure of locking member 30 is not limited only to elastic slice described in the present embodiment and with one
Determine the lockplate of intensity, specifically with no restrictions.
The invention further relates to a kind of turbocharger, including exhaust gas bypass executing agency described above.
About other particular technique features of turbocharger, the prior art is referred to, this will not be repeated here.
The present invention by adding flexible locking member in bypass executing agency, will setting pull rod and swing arm it
Between, so that generating axial pre tightening force to pull rod limits pull rod while ensure that the stabilization frictional force between pull rod and rocker arm
In the axial displacement of rocker arm connecting pin axis direction, improve percussion problem, reduces noise；And it is small to bypass valve actuating mechanism change,
Cost is very low, in the bypass executing agency that can be suitably used for all kinds of similar structures, strong applicability.
More than, it is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, although this
Invention has been disclosed in a preferred embodiment above, and however, it is not intended to limit the invention, any person skilled in the art,
It does not depart within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of variation, but without departing from the technical solutions of the present invention, according to the technical essence of the invention to the above reality
Any simple modification, equivalent change and modification made by example are applied, all of which are still within the scope of the technical scheme of the invention.
Claims (9)
1. a kind of booster exhaust gas bypass executing agency, which is characterized in that including pull rod (10), rocker arm (20) and locking member
(30), hingedly, one end of the locking member (30) is connected to the rocker arm (20), separately for the pull rod (10) and the rocker arm (20)
The pull rod (10) are fixed in one end, to stablize the relative position between the pull rod (10) and the rocker arm (20), the drawing
Bar (10) be equipped with the first clamping portion (102), the locking member (30) include substrate (301) and be set to the substrate (301) one
Second clamping portion (302) at end, second clamping portion (302) is corresponding with the first clamping portion (102), second card
Socket part (302) and first clamping portion (102) cooperate.
2. exhaust gas bypass executing agency according to claim 1, which is characterized in that the locking member (30) is elastic component,
And the locking member (30) is connected between the pull rod (10) and the rocker arm (20).
3. exhaust gas bypass executing agency according to claim 2, which is characterized in that the locking member (30) is elastic slice.
4. exhaust gas bypass executing agency according to claim 1, which is characterized in that second clamping portion (302) includes
Hook (3021), the hook (3021) is the one end of the substrate (301) and forms to one lateral bend, and the hook
(3021) it is formed on card slot (3023), first clamping portion (102) is flange, and the hook (3021) is socketed on the drawing
Bar (10), and first clamping portion (102) abuts the hook (3021) and compresses the locking member (30).
5. exhaust gas bypass executing agency according to claim 3 or 4, which is characterized in that one end of the pull rod (10) is also
Equipped with the first connecting hole (103), the rocker arm (20) is equipped with interconnecting piece (201), and the pull rod (10) passes through the interconnecting piece
(201) hingedly with the rocker arm (20), one end of the locking member (30) is connected to the interconnecting piece (201)；The interconnecting piece
(201) for set on the connection pin shaft of the rocker arm (20), the substrate (301) corresponding with the second clamping portion (302)
The other end be equipped with the second connecting hole (304), first connecting hole (103), second connecting hole (304) are socketed on institute
State interconnecting piece (201).
6. exhaust gas bypass executing agency according to claim 5, which is characterized in that second connecting hole (304) arrives institute
The most short axial distance for stating the second clamping portion (302) is less than first connecting hole (103) to first clamping portion (102)
Most short axial distance.
7. exhaust gas bypass executing agency according to claim 5, which is characterized in that the booster exhaust gas bypass executes machine
Structure further includes fastener (50), and the fastener (50) is connected on the interconnecting piece (201), and abuts the pull rod (10).
8. exhaust gas bypass executing agency according to claim 5, which is characterized in that the booster exhaust gas bypass executes machine
Structure further includes actuator (60) and wastegate device (70), and the pull rod (10) connects far from the one end of the rocker arm (20)
In the actuator (60), the wastegate device (70) includes exhaust gas bypass connecting shaft (701) and exhaust gas by-pass valve sheet
Body (702), the rocker arm (20) are connected far from the one end of the interconnecting piece (201) by the exhaust gas bypass connecting shaft (701)
In the exhaust gas bypass valve body (702).
9. a kind of turbocharger, which is characterized in that the turbocharger includes described in claim 1-8 any one
Exhaust gas bypass executing agency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046752.XA CN108397279B (en) | 2018-01-18 | 2018-01-18 | Exhaust gas bypass executing agency and turbocharger with the mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046752.XA CN108397279B (en) | 2018-01-18 | 2018-01-18 | Exhaust gas bypass executing agency and turbocharger with the mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108397279A CN108397279A (en) | 2018-08-14 |
| CN108397279B true CN108397279B (en) | 2019-09-10 |
Family
ID=63094640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810046752.XA Active CN108397279B (en) | 2018-01-18 | 2018-01-18 | Exhaust gas bypass executing agency and turbocharger with the mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN108397279B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366347B (en) * | 2019-10-22 | 2021-01-01 | 襄阳达安汽车检测中心有限公司 | Method for diagnosing abnormal sound of metal knocking of turbocharger |
| CN112412620B (en) * | 2020-11-20 | 2022-04-26 | 上海汽车集团股份有限公司 | Turbocharger and waste gas bypass valve pneumatic actuating mechanism thereof |
| CN113027598A (en) * | 2021-03-31 | 2021-06-25 | 安徽江淮汽车集团股份有限公司 | Turbocharger and engine system of automobile |
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| KR20130127452A (en) * | 2010-10-28 | 2013-11-22 | 보르그워너 인코퍼레이티드 | Exhaust-gas turbocharger |
| CN203626954U (en) * | 2013-10-30 | 2014-06-04 | 长城汽车股份有限公司 | Bypass executing mechanism of vehicle supercharger and vehicle turbocharger |
| CN203742771U (en) * | 2014-02-14 | 2014-07-30 | 奇瑞汽车股份有限公司 | Turbocharger exhaust gas bypass actuating mechanism |
| CN205840997U (en) * | 2016-05-04 | 2016-12-28 | 宁波丰沃涡轮增压系统有限公司 | A kind of exhaust gas bypass valve system of turbocharger |
| CN206267956U (en) * | 2016-11-17 | 2017-06-20 | 浙江科技学院 | A kind of turbocharger exhaust gas bypass valve actuating mechanism |
| CN207701222U (en) * | 2018-01-05 | 2018-08-07 | 浙江义利汽车零部件有限公司 | A kind of executing agency of booster |
-
2018
- 2018-01-18 CN CN201810046752.XA patent/CN108397279B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130127452A (en) * | 2010-10-28 | 2013-11-22 | 보르그워너 인코퍼레이티드 | Exhaust-gas turbocharger |
| CN203626954U (en) * | 2013-10-30 | 2014-06-04 | 长城汽车股份有限公司 | Bypass executing mechanism of vehicle supercharger and vehicle turbocharger |
| CN203742771U (en) * | 2014-02-14 | 2014-07-30 | 奇瑞汽车股份有限公司 | Turbocharger exhaust gas bypass actuating mechanism |
| CN205840997U (en) * | 2016-05-04 | 2016-12-28 | 宁波丰沃涡轮增压系统有限公司 | A kind of exhaust gas bypass valve system of turbocharger |
| CN206267956U (en) * | 2016-11-17 | 2017-06-20 | 浙江科技学院 | A kind of turbocharger exhaust gas bypass valve actuating mechanism |
| CN207701222U (en) * | 2018-01-05 | 2018-08-07 | 浙江义利汽车零部件有限公司 | A kind of executing agency of booster |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108397279A (en) | 2018-08-14 |
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