CN207393354U - A kind of by-pass collar for integrated form inlet manifold - Google Patents

A kind of by-pass collar for integrated form inlet manifold Download PDF

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Publication number
CN207393354U
CN207393354U CN201721280138.7U CN201721280138U CN207393354U CN 207393354 U CN207393354 U CN 207393354U CN 201721280138 U CN201721280138 U CN 201721280138U CN 207393354 U CN207393354 U CN 207393354U
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China
Prior art keywords
inlet manifold
bypass valve
bonnet
pass collar
valve
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CN201721280138.7U
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Chinese (zh)
Inventor
李杨
李坤锋
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Mann and Hummel Filter Shanghai Co Ltd
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Mann and Hummel Filter Shanghai Co Ltd
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Priority to CN201721280138.7U priority Critical patent/CN207393354U/en
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Abstract

The utility model is related to a kind of by-pass collars for integrated form inlet manifold, the by-pass collar is arranged in inlet manifold, by-pass collar includes the valve body room for being arranged on the in vivo bypass valve chest of inlet manifold shell and being arranged in bypass valve chest, the by-passing valve air inlet being connected with inlet manifold air inlet and the bypass valve air gate being connected with inlet manifold gas outlet are offered on bypass valve chest, bypass valve mechanism is equipped in valve body room, by-passing valve air inlet and bypass valve air gate are located at the both sides of bypass valve mechanism respectively.Compared with prior art, by-pass collar is integrated in inlet manifold by the utility model, forms the parallel relationship with charge air cooler, can effectively ensure that the normal startup and stable operation of automobile, compact-sized, securely and reliably, is had a wide range of application.

Description

A kind of by-pass collar for integrated form inlet manifold
Technical field
The utility model belongs to inlet manifold technical field, is related to a kind of by-pass collar for integrated form inlet manifold.
Background technology
As the requirement that exhaust gas discharges in country is more and more harsh, the environmental consciousness of people is also constantly being strengthened.Turbine increases The maturation of pressure technology so that small displacement turbocharged engine can provide the power and torque of bigger.In order to further reduce The discharge of automobile, and the generation of engine turbine hysteresis phenomenon is reduced, the turbine for occurring integrated water cooling charge air cooler in the market Water cooling charge air cooler is mainly integrated in inlet manifold by engine with supercharger.But such inlet manifold is in use, It is present with some problems, such as:In winter, especially in the morning and night, the automobile equipped with such integrated form inlet manifold are past Toward can not normally start, and in the higher weather of temperature, then this phenomenon seldom occurs.It is found after research, due to charge air cooler Heat exchange structure by several microwaves away from fin form, and winter temperature is relatively low, easily solidifying after the steam cooling in air Tie charge air cooler fin microwave away from gap in, charge air cooler is caused to block, fresh air can not be drawn into combustion chamber by engine It is interior to complete burning.Simultaneously as gasoline also has water generation in combustion process, thus stop at night to this section of hair in the next morning In the motivation internal-external temperature difference larger time, condensation vapor process is easier to occur, and blocks charge air cooler, affects the normal of automobile Start.
Utility model content
The purpose of this utility model is exactly to be provided a kind of compact-sized to overcome the problems of the above-mentioned prior art The by-pass collar for integrated form inlet manifold.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of by-pass collar for integrated form inlet manifold, the by-pass collar are arranged in inlet manifold, it is described into Gas manifold includes inlet manifold housing and is arranged on the in vivo charge air cooler of inlet manifold shell, is opened on the inlet manifold housing Equipped with inlet manifold air inlet and inlet manifold gas outlet, the inlet manifold air inlet is filled respectively by charge air cooler, bypass Put and be connected with inlet manifold gas outlet, the by-pass collar include be arranged on inlet manifold shell it is in vivo bypass valve chest with And the valve body room in bypass valve chest is arranged on, offer what is be connected with inlet manifold air inlet on the bypass valve chest By-passing valve air inlet and the bypass valve air gate being connected with inlet manifold gas outlet are equipped with by-passing valve in the valve body room Mechanism, the by-passing valve air inlet and bypass valve air gate are located at the both sides of bypass valve mechanism respectively.In inlet manifold simultaneously Charge air cooler and by-pass collar are integrated with, when charge air cooler works normally, gas is entered by inlet manifold air inlet in charge air cooler, it Inlet manifold is left by inlet manifold gas outlet afterwards;When charge air cooler blocks, gas by inlet manifold air inlet through by-passing valve into Gas port enters in valve body room, leaves inlet manifold through bypass valve air gate, inlet manifold gas outlet successively afterwards.Bypass valve mechanism Control by-passing valve air inlet unlatches and closes.
The bypass valve mechanism includes being arranged on the quiet component at by-passing valve air inlet and being arranged in valve body room simultaneously The dynamic component being adapted with quiet component.When quiet component is closed with dynamic component touch, bypass valve mechanism is closed;Quiet component and dynamic component During separation, bypass valve mechanism is opened.
The quiet component includes being disposed in parallel in the indoor bonnet fixed seat of valve body, bonnet fixed plate and being arranged on valve Bonnet between cap fixed seat and bonnet fixed plate.Bonnet is clipped in the middle by bonnet fixed seat and bonnet fixed plate, to bonnet into Row is fixed.
As preferred technical solution, the bonnet fixed plate is detachable.When installing bonnet, first bonnet is consolidated Fixed board is removed, and bonnet is packed into bonnet fixed seat afterwards, loads onto bonnet fixed plate afterwards.
Gas flow is offered at the center of the bonnet, the by-passing valve air inlet passes through gas flow and bypass Valve air gate is connected.Gas flow flows through the passage of bypass valve mechanism for gas, when quiet component and dynamic component touch closure, Gas flow is closed;When quiet component is separated with dynamic component, gas flow is opened, and gas can pass through.
The dynamic component include be arranged on the indoor spring fixed seat of valve body, the spring being set on spring fixed seat with And the mobile spool for being set on spring fixed seat and being adapted with bonnet.Spool and bonnet under the resilient force of spring, Keep normally off.It after spool is subject to external force, is separated with bonnet, while compresses spring, gas flow is opened;External force disappears After removing, under the elastic restoring force effect of spring, spool and bonnet contact closure again.
The spool includes moving the spool guide part being set on spring fixed seat and being circumferentially positioned at spool leading Seal spool portion on portion's lateral surface, the bottom in the seal spool portion are connected with spring, and top separates with bonnet and contacts.Valve Core guide part can be moved along the axial reciprocating of spring fixed seat, and the movement of spool is oriented to.Seal spool portion is directly and bullet Spring contacts, and spring oppresses spool and bonnet contact closure by seal spool portion.The top in seal spool portion is adapted with bonnet, Sealing structure is formed, when seal spool portion is subject to external force, is separated with bonnet, gas is just through between seal spool portion and bonnet Gap enter in valve body room.
As preferred technical solution, the contact surface between the seal spool portion and bonnet is lozenges.Lozenges It is simple in structure, and good seal performance.
The bypass valve chest is an integral structure with inlet manifold housing.It will using welding procedures such as vibration friction welding (FW)s Valve chest and inlet manifold shell will be bypassed together with inlet manifold case weld or using injection molding by bypassing valve chest Body is integrally machined shaping, can simplify procedure of processing, and by-pass collar is preferably integrated in inside inlet manifold.
The utility model does not have icing phenomenon in practical application, working as in the case where temperature is higher in charge air cooler, The thus gas from air throttle during engine start, is entered in inlet manifold housing by inlet manifold air inlet, through charge air cooler Afterwards, imported by inlet manifold gas outlet in engine combustion room.Burning indoor fuel oil at this time can be with normal combustion, and passes through song Axis externally does work, and engine smoothly starts.Spool tightly fits together under the elastic acting force of spring with bonnet simultaneously, Gas can not be closed by by-pass collar, i.e. by-pass collar.
When temperature is relatively low, charge air cooler can not enter engine chamber by ice blockage, at this time gas by charge air cooler. Engine is in the case where starting the drive of motor, and flywheel starts to rotate, and piston starts to pump, due to the movement of piston, Negative pressure can be formed in the combustion chamber.Negative pressure is transferred to valve body room through combustion chamber, inlet manifold gas outlet, bypass valve air gate successively It is interior, the bottom in seal spool portion is made to be subject to negative pressure, under the action of negative pressure, seal spool portion compression spring, and depart from bonnet, The gas from inlet manifold air inlet is made to enter successively through by-passing valve air inlet, gas flow in valve body room, is passed through successively afterwards Bypass valve air gate, inlet manifold gas outlet enter engine chamber, and engine is made to complete first time combustion stroke, engine Smoothly start.Afterwards with the continuous operating of engine, the thermal energy for release of burning can be more and more, entire engine and start The temperature on machine periphery can constantly rise, and the ice being jammed in charge air cooler fin is made also gradually to melt with continuous rise of temperature Change, charge air cooler recovers unimpeded.Gas from inlet manifold air inlet enters through charge air cooler in inlet manifold housing again, and It is discharged through inlet manifold gas outlet, and indoor negative pressure of burning also constantly reduces, when the negative pressure that the bottom in seal spool portion is subject to When being not enough to compression camber of spring, under the resilient force of spring, seal spool portion fits together again with bonnet.
Compared with prior art, the utility model has the characteristics that:
1) by-pass collar is integrated in inlet manifold, the parallel relationship with charge air cooler is formed, when charge air cooler is because of low temperature knot When ice blocks, allow gas to enough through by-pass collar enter in engine combustion room, ensure the normal startup of engine, work as charge air cooler After recovering normal work, by-pass collar just keeps normally off, thus the normal startup and stable operation of automobile has been effectively ensured, Securely and reliably;
2) by-pass collar is compact-sized, occupies little space, easy to process and assembling;
3) by-pass collar, and energy can be laid at multiple positions respectively in inlet manifold according to the needs of intake uniformity Enough by changing the spring ratio of spring and the forced area of spool, the unlatching threshold value of by-pass collar is adjusted, flexibility is good, should It is wide with scope.
Description of the drawings
Fig. 1 is assembling structure schematic diagram of the utility model in inlet manifold;
Fig. 2 is the overall structure diagram of the utility model;
Description of symbols in figure:
1-inlet manifold housing, 2-charge air cooler, 3-inlet manifold air inlet, 4-inlet manifold gas outlet, 5-bypass Valve chest, 6-valve body room, 7-by-passing valve air inlet, 8-bypass valve air gate, 9-bonnet fixed seat, 10-bonnet, 11- Bonnet fixed plate, 12-gas flow, 13-spring fixed seat, 14-spring, 15-spool, 1501-spool guide part, 1502-seal spool portion.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model Implemented premised on technical solution, give detailed embodiment and specific operating process, but the guarantor of the utility model Shield scope is not limited to following embodiments.
Embodiment:
A kind of by-pass collar for integrated form inlet manifold, the by-pass collar are arranged in inlet manifold, such as Fig. 1 institutes Show, inlet manifold includes inlet manifold housing 1 and the charge air cooler 2 being arranged in inlet manifold housing 1, inlet manifold housing 1 On offer inlet manifold air inlet 3 and inlet manifold gas outlet 4, inlet manifold air inlet 3 passes through charge air cooler 2, bypass respectively Device is connected with inlet manifold gas outlet 4, as shown in Fig. 2, by-pass collar includes the bypass being arranged in inlet manifold housing 1 Valve chest 5 and the valve body room 6 being arranged in bypass valve chest 5, bypass and are offered and inlet manifold air inlet 3 on valve chest 5 The by-passing valve air inlet 7 being connected and the bypass valve air gate 8 being connected with inlet manifold gas outlet 4 are equipped in valve body room 6 Bypass valve mechanism, by-passing valve air inlet 7 and bypass valve air gate 8 are located at the both sides of bypass valve mechanism respectively.
Wherein, bypass valve mechanism includes being arranged on the quiet component at by-passing valve air inlet 7 and being arranged in valve body room 6 simultaneously The dynamic component being adapted with quiet component.
Quiet component includes the bonnet fixed seat 9 being disposed in parallel in valve body room 6, bonnet fixed plate 11 and is arranged on bonnet Bonnet 10 between fixed seat 9 and bonnet fixed plate 11.Gas flow 12, by-passing valve air inlet are offered at the center of bonnet 10 7 are connected by gas flow 12 with bypass valve air gate 8.
Dynamic component includes the spring fixed seat 13 being arranged in valve body room 6, the spring 14 being set on spring fixed seat 13 And the mobile spool 15 for being set on spring fixed seat 13 and being adapted with bonnet 10.Spool 15 includes movement and is set in spring Spool guide part 1501 in fixed seat 13 and the seal spool portion being circumferentially positioned on 1501 lateral surface of spool guide part 1502, the bottom in the seal spool portion 1502 is connected with spring 14, and top separates with bonnet 10 and contacts.
Bypass valve chest 5 is an integral structure with inlet manifold housing 1.
In practical application, working as in the case where temperature is higher, there is no icing phenomenon in charge air cooler 2, thus start Gas from air throttle when machine starts is entered by inlet manifold air inlet 3 in inlet manifold housing 1, after charge air cooler 2, by Inlet manifold gas outlet 4 is imported in engine combustion room.Burning indoor fuel oil at this time can be with normal combustion, and passes through bent axle pair Outer acting, engine smoothly start.Spool 15 is tightly fitted in one under the elastic acting force of spring 14 with bonnet 10 simultaneously It rises, gas can not be closed by by-pass collar, i.e. by-pass collar.
When temperature is relatively low, charge air cooler 2 can not enter engine combustion by ice blockage, at this time gas by charge air cooler 2 Room.Engine is in the case where starting the drive of motor, and flywheel starts to rotate, and piston starts to pump, due to the fortune of piston It is dynamic, negative pressure can be formed in the combustion chamber.Negative pressure is transferred to successively through combustion chamber, inlet manifold gas outlet 4, bypass valve air gate 8 In valve body room 6, the bottom in seal spool portion 1502 is made to be subject to negative pressure, under the action of negative pressure, seal spool portion 1502 compresses bullet Spring 14, and depart from bonnet 10, make the gas from inlet manifold air inlet 3 successively through by-passing valve air inlet 7, gas flow 12 Into in valve body room 6, make to start through bypassing valve air gate 8, inlet manifold gas outlet 4 into engine chamber successively afterwards Machine completes first time combustion stroke, and engine smoothly starts.Afterwards with the continuous operating of engine, the thermal energy meeting for release of burning More and more, the temperature on entire engine and engine periphery can constantly rise, and make the ice being jammed in 2 fin of charge air cooler Can gradually it melt with continuous rise of temperature, charge air cooler 2 recovers unimpeded.Gas from inlet manifold air inlet 3 is again heavy Fresh warp thread charge air cooler 2 enters in inlet manifold housing 1, and is discharged through inlet manifold gas outlet 4, and indoor negative pressure of burning is also continuous Reduce, when the negative pressure that the bottom in seal spool portion 1502 is subject to, which is not enough to compression spring 14, to be deformed, in the elastic force of spring 14 Under effect, seal spool portion 1502 fits together again with bonnet 10.
It is understood that the above description of the embodiments is intended to facilitate those skilled in the art and using practicality It is new.Person skilled in the art obviously can easily make these embodiments various modifications, and illustrating herein General Principle be applied in other embodiment without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope made and Modification all should be within the scope of protection of the utility model.

Claims (7)

1. a kind of by-pass collar for integrated form inlet manifold, which is arranged in inlet manifold, the air inlet Manifold includes inlet manifold housing (1) and the charge air cooler (2) being arranged in inlet manifold housing (1), the inlet manifold Inlet manifold air inlet (3) and inlet manifold gas outlet (4) are offered on housing (1), which is characterized in that the inlet manifold Air inlet (3) is connected respectively by charge air cooler (2), by-pass collar with inlet manifold gas outlet (4), the by-pass collar bag The bypass valve chest (5) being arranged in inlet manifold housing (1) and the valve body room (6) being arranged in bypass valve chest (5) are included, Offered on the bypass valve chest (5) the by-passing valve air inlet (7) that is connected with inlet manifold air inlet (3) and with into The bypass valve air gate (8) that gas manifold gas outlet (4) is connected, the valve body room (6) is interior equipped with bypass valve mechanism, described By-passing valve air inlet (7) and bypass valve air gate (8) are located at the both sides of bypass valve mechanism respectively.
A kind of 2. by-pass collar for integrated form inlet manifold according to claim 1, which is characterized in that the side Port valve mechanism include being arranged on the quiet component at by-passing valve air inlet (7) and be arranged in valve body room (6) and with quiet component phase The dynamic component of adaptation.
3. a kind of by-pass collar for integrated form inlet manifold according to claim 2, which is characterized in that described is quiet Component includes the bonnet fixed seat (9) being disposed in parallel in valve body room (6), bonnet fixed plate (11) and is arranged on bonnet and fixes Bonnet (10) between seat (9) and bonnet fixed plate (11).
A kind of 4. by-pass collar for integrated form inlet manifold according to claim 3, which is characterized in that the valve Gas flow (12) is offered at the center of cap (10), the by-passing valve air inlet (7) passes through gas flow (12) and bypass Valve air gate (8) is connected.
5. a kind of by-pass collar for integrated form inlet manifold according to claim 4, which is characterized in that described is dynamic Component include the spring fixed seat (13) being arranged in valve body room (6), the spring (14) that is set on spring fixed seat (13) with And the mobile spool (15) for being set on spring fixed seat (13) and being adapted with bonnet (10).
A kind of 6. by-pass collar for integrated form inlet manifold according to claim 5, which is characterized in that the valve Core (15) includes the mobile spool guide part (1501) being set on spring fixed seat (13) and is circumferentially positioned at spool guiding Seal spool portion (1502) on portion (1501) lateral surface, the bottom in the seal spool portion (1502) are connected with spring (14), top Portion separates with bonnet (10) and contacts.
A kind of 7. by-pass collar for integrated form inlet manifold according to claim 1, which is characterized in that the side Port valve housing (5) is an integral structure with inlet manifold housing (1).
CN201721280138.7U 2017-09-30 2017-09-30 A kind of by-pass collar for integrated form inlet manifold Active CN207393354U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721280138.7U CN207393354U (en) 2017-09-30 2017-09-30 A kind of by-pass collar for integrated form inlet manifold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721280138.7U CN207393354U (en) 2017-09-30 2017-09-30 A kind of by-pass collar for integrated form inlet manifold

Publications (1)

Publication Number Publication Date
CN207393354U true CN207393354U (en) 2018-05-22

Family

ID=62330827

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721280138.7U Active CN207393354U (en) 2017-09-30 2017-09-30 A kind of by-pass collar for integrated form inlet manifold

Country Status (1)

Country Link
CN (1) CN207393354U (en)

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