CN102979647B - Air intake manifold variable system and variable air intake manifold - Google Patents
Air intake manifold variable system and variable air intake manifold Download PDFInfo
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- CN102979647B CN102979647B CN201210545882.0A CN201210545882A CN102979647B CN 102979647 B CN102979647 B CN 102979647B CN 201210545882 A CN201210545882 A CN 201210545882A CN 102979647 B CN102979647 B CN 102979647B
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- valve block
- metal shaft
- bearing support
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Abstract
The invention provides an air intake manifold variable system, which comprises a metal shaft, an integral valve plate group, two bearings, a plurality of butt-joint bearing seats, two independent-type bearing seats and an oscillating arm, wherein the integral-type valve plate group is fixedly arranged on the metal shaft through a rubber coating injection molding way; one butt-joint bearing seat is respectively arranged between every two adjacent valve plates; the two bearings are respectively arranged on the metal shaft and contacted with two valve plates on two ends of the integral valve plate group; the two independent-type bearing seats are arranged on the metal shaft, and the two bearings are respectively arranged inside the two independent-type bearing seats; and the oscillating arm is installed on the metal shaft. Through the integral valve plate structure formed through the rubber coating injection molding way and the assembling and positioning way of all parts, the duration and the reliability of the air intake manifold variable system can be improved, and the dynamic property of an engine is also improved.
Description
Technical field
The application relates to engine art, specially refers to a kind of intake manifold variable system and variable intake manifold.
Background technique
Intake manifold is one of core component of motor car engine, and its Core Feature is that therefore it is the key factor that affects engine power performance for the each cylinder of motor provides sufficient mixed gas uniformly.But under the different rotating speed of motor, load, be different to the demand of air inflow.So in order to meet motor different demands to air inflow under different rotating speeds, load as far as possible, General Requirements motor is equipped with the intake manifold of tubbiness under high rotating speed, large load; Under middle and slow speed of revolution, medium and small load, be equipped with elongated intake manifold.
At present a lot of motors have been equipped with variable intake manifold, and variable intake manifold of the prior art is mainly the intake manifold that adopts different length, thickness by adopting a set of intake manifold variable system with conversion valve block to control variable intake manifold under the different rotating speeds of motor, load.
But, study discovery through inventor, the variable intake manifold of prior art is because the assembling and positioning design between making method and each part of the valve block in the intake manifold variable system adopting is unreasonable, caused the intensity of intake manifold variable system low, shock resistance warping resistance is poor, the situations such as smooth, the easy generation of rotation blocks, pauses, durability and the reliability of intake manifold variable system are affected, even the power character of motor.
Therefore, need a kind of intake manifold variable system and variable intake manifold badly, improve durability and the reliability of intake manifold variable system, and the power character of motor.
Summary of the invention
In view of this, the embodiment of the present application provides a kind of intake manifold variable system and variable intake manifold, improves durability and the reliability of intake manifold variable system, and the power character of motor.
To achieve these goals, the technological scheme that the embodiment of the present application provides is as follows:
A kind of intake manifold variable system, comprising: metal shaft, integral type valve block group, two bearings, multiple to spelling formula bearing support, two free-standing bearing supports and swing arm, wherein,
Described integral type valve block group is fixed in described metal shaft by the mode of encapsulate injection moulding;
Described integral type valve block group is formed by the mode of encapsulate injection moulding by multiple valve blocks; Each described valve block includes ebonite substrate and flexible glue coating, and wherein, described ebonite substrate is fixed in described metal shaft by the mode of encapsulate injection moulding, and described flexible glue coating is fixed on described ebonite outer surface of substrate by the mode of encapsulate injection moulding;
Between adjacent described valve block, be provided with described to spelling formula bearing support;
Two described bearings are separately positioned in described metal shaft and respectively and contact with two valve blocks at integral type valve block group two ends;
Two described free-standing bearing supports are all arranged in described metal shaft and two described bearings lay respectively in two described free-standing bearing supports;
Described swing arm is assemblied in described metal shaft.
Preferably, each described to being provided with gap between the described flexible glue coating on spelling formula bearing support valve block adjacent with both sides.
Preferably, two described bearings contact with the ebonite substrate on the valve block of two, integral type valve block group two ends respectively and two described bearings and described ebonite substrate are gap design diametrically.
Preferably, two described bearings and described ebonite substrate are circular groove type matching design in the axial direction.
Preferably, while being provided with for axial assembling on described ebonite substrate, carry out the spacing axial limiting face of the degree of depth.
Preferably, described to being provided with overhead structure and/or semicircle muscle structure on spelling formula bearing support.
Preferably, on described free-standing bearing support, be provided with overhead structure and/or semicircle muscle structure.
A kind of variable intake manifold, comprising: metal shaft, integral type valve block group, two bearings, multiple to spelling formula bearing support, two free-standing bearing supports, swing arm, intake manifold body and power plant, wherein,
On described intake manifold body, be provided with many gas pipelines, on every described gas pipeline, be provided with opening, and the position of opening on many described gas pipelines is corresponding;
Described integral type valve block group is fixed in described metal shaft by the mode of encapsulate injection moulding;
Described integral type valve block group is formed by the mode of encapsulate injection moulding by multiple valve blocks; Each described valve block includes ebonite substrate and flexible glue coating, and wherein, described ebonite substrate is fixed in described metal shaft by the mode of encapsulate injection moulding, and described flexible glue coating is fixed on described ebonite outer surface of substrate by the mode of encapsulate injection moulding;
Between adjacent described valve block, be provided with spelling formula bearing support;
Two described bearings are separately positioned in described metal shaft and respectively and contact with two valve blocks at integral type valve block group two ends;
Two described free-standing bearing supports are all arranged in described metal shaft and two described bearings lay respectively in two described free-standing bearing supports;
Two described free-standing bearing supports and multiple described to spell that formula bearing support all fixes with described intake manifold body and many described gas pipelines on opening be provided with valve block;
Described power plant are fixed on described intake manifold body;
The fixed end of described swing arm is assemblied in one end of described metal shaft, and the swinging end of described swing arm is connected with described power plant.
Preferably, described variable intake manifold also comprises: seal ring, described seal ring is between described swing arm and described intake manifold body.
Preferably, on described intake manifold body, be provided with two place's limit structures.
As can be seen here, a kind of intake manifold variable system that the embodiment of the present application provides, multiple valve blocks of this variable system form integral type valve block group by the mode of encapsulate injection moulding, then the mode of integral type valve block group by encapsulate injection moulding and metal shaft formation integral structure, the problem such as the intensity that solved prior art valve block assembly is low, impact resistance, warping resistance are poor.Then by installing spelling formula bearing support between adjacent valve block, then two bearings are all arranged in metal shaft and with two, integral type valve block group two ends valve block and contact; Two free-standing bearing supports are all arranged in metal shaft and two bearings lay respectively in two free-standing bearing supports; Swing arm is assemblied in one end of metal shaft.Well solve the situations such as prior art intake manifold variable system easily blocks, pauses, abnormal sound by the assembling and positioning between all parts, improved durability and the reliability of intake manifold variable system.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiments that record in the application, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of intake manifold variable system structural representation that Fig. 1 provides for the embodiment of the present application one;
Fig. 2 for the embodiment of the present application two provide to spelling formula bearing support detailed structure schematic diagram;
A kind of intake manifold variable system part-structure longitudinal section that Fig. 3 provides for the embodiment of the present application two;
The structural representation of the bearing that Fig. 4 provides for the embodiment of the present application three;
Fig. 5 is the part-structure schematic diagram of the embodiment of the present application three ebonite substrate assembling with bearing that provide;
Fig. 6 is the assembly process figure of the embodiment of the present application four a kind of intake manifold variable system that provides;
Fig. 7 for the embodiment of the present application five provide to spelling the overhead structure of formula bearing support and the assembly structure sectional drawing of intake manifold body;
Fig. 8 for the embodiment of the present application five provide to spelling the semicircle muscle structure of formula bearing support and the assembly structure sectional drawing of intake manifold body;
The schematic diagram of two place's limit structures on the intake manifold body that Fig. 9 provides for the embodiment of the present application five.
Embodiment
In order to make those skilled in the art person understand better the technological scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technological scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all should belong to the scope of the application's protection.
Embodiment one
The structural representation of a kind of intake manifold variable system that Fig. 1 provides for the embodiment of the present application one.
As shown in Figure 1, a kind of intake manifold variable system that the embodiment of the present application provides, comprising: metal shaft 1, form multiple valve blocks 2, multiple to spelling formula bearing support 3, two bearings 4, two free-standing bearing supports 5 and swing arms 6 of integral type valve block group.Wherein, valve block 2 comprises: ebonite substrate 21 and flexible glue coating 22.
Wherein: multiple valve blocks 2 form integral type valve block group by the mode of encapsulate injection moulding, and the integral type valve block group being formed by multiple valve blocks 2 is fixed in metal shaft 1 by the mode of encapsulate injection moulding, with the metal shaft 1 formula structure that becomes one; Between adjacent described valve block 2, be provided with spelling formula bearing support 3; Two bearings 4 are all arranged in metal shaft 1, and contact with two valve blocks at integral type valve block group two ends respectively; Two free-standing bearing supports 5 are all arranged in metal shaft 1, and two bearings 4 lay respectively in two free-standing bearing supports 5, and swing arm 6 is assemblied in one end of metal shaft 1.
Multiple valve blocks 2 form integral type valve block group by the mode of encapsulate injection moulding, and the integral type valve block group and the metal shaft 1 that are obtained by encapsulate injection moulding by multiple valve blocks 2 form integral structure by the mode of encapsulate injection moulding.
Each valve block 2 forms by ebonite substrate 21 and flexible glue coating 22.Wherein, multiple ebonite substrates 21 are fixed in metal shaft 1 by the mode of encapsulate injection moulding, and multiple flexible glue coatings 22 are fixed on the surface of multiple ebonite substrates 21 by the mode of encapsulate injection moulding.
Between adjacent valve block 2 in integral type valve block group, be provided with spelling formula bearing support 3.
Two bearings 4 are assemblied in metal shaft respectively, and contact with two valve blocks at integral type valve block group two ends respectively.
Two free-standing bearing supports 5 are all arranged in metal shaft, and two bearings 4 are positioned at two free-standing bearing supports 5 respectively.
Make multiple valve blocks 2 form integral type valve block group by the mode of encapsulate injection moulding, improve the conformity of multiple valve block assemblings, the shock resistance of integral type valve block group, bending resistance folding endurance, sealing and the noise reduction that form are all greatly increased, and dimensional accuracy in assembly process is also greatly improved.
Make the integral type valve block group and the metal shaft 1 that are obtained by encapsulate injection moulding by multiple valve blocks 2 form integral structure by the mode of encapsulate injection moulding, improved the structural strength between metal shaft 1 and valve block 2.
By well having solved the situations such as prior art intake manifold variable system easily blocks, pauses, abnormal sound to spelling assembling and positioning between all parts such as formula bearing support, bearing, free-standing bearing support, integral type valve block group.
As can be seen here, a kind of intake manifold variable system that the embodiment of the present application provides, multiple valve blocks of this variable system form integral type valve block group by the mode of encapsulate injection moulding, then the mode of integral type valve block group by encapsulate injection moulding and metal shaft formation integral structure, the problem such as the intensity that solved prior art valve block assembly is low, impact resistance, warping resistance are poor.Then by installing spelling formula bearing support between adjacent valve block, then two bearings are all arranged in metal shaft and with two, integral type valve block group two ends valve block and contact; Two free-standing bearing supports are all arranged in metal shaft and two bearings lay respectively in two free-standing bearing supports; Swing arm is assemblied in one end of metal shaft.Well solve the situations such as prior art intake manifold variable system easily blocks, pauses, abnormal sound by the assembling and positioning between all parts, improved durability and the reliability of intake manifold variable system.
Embodiment two
Fig. 2 for the embodiment of the present application two provide to spelling formula bearing support detailed structure schematic diagram.
As shown in Figure 2, the structure of spelling formula bearing support is comprised: the first semiaxis bearing 31, the second semiaxis bearing 32 and square position structure 33.Wherein: the first semiaxis bearing 31 and the second semiaxis bearing 32 fix by square position structure 33.
The part being connected between the first semiaxis bearing 31 and the second semiaxis bearing 32 can reliably be fixed by square position structure 33, jam-pack, thereby realizes two strong fixs between semiaxis bearing, has effectively ensured the accuracy of form and position to spelling formula bearing support.Because of simple to spelling formula bearing block structure, therefore reduced at manufacturing difficulty and assembling difficulty simultaneously.
The part-structure longitudinal section of a kind of intake manifold variable system that Fig. 3 provides for the embodiment of the present application two.
As shown in Figure 3, in figure, 7 be part zoomed-in view to spelling formula bearing support 3 and flexible glue coating 22.
As in Fig. 3 to spelling as shown in the part zoomed-in view of formula bearing support 3 and flexible glue coating 22, between adjacent two valve blocks 2, be provided with spelling formula bearing support 3, and be provided with gap to spelling between the projection 23 on the flexible glue coating of formula bearing support 3 all and between adjacent two valve blocks 2.After the intake manifold variable system that the embodiment of the present application provides is applied in variable intake manifold, in the time that real engine turns round, by having intercepted on intake manifold body the situation of gas blowby between each gas pipeline to spelling gap design between the projection 23 on formula bearing support 3 and flexible glue coating, simultaneously the projection 23 on flexible glue coating with to the process of spelling the assembling of formula bearing support in, projection 23 on flexible glue coating compressive deformation in right amount, thereby play the effect of elastic support, the situations such as rotation is smooth to avoid, abnormal sound.
Also be provided with overhead structure and/or semicircle muscle structure to spelling on formula bearing support 3.Intake manifold variable system is by being assembled to reliably on intake manifold body overhead structure and/or the semicircle muscle structure of spelling on formula bearing support 3.Not describing corresponding structure and assembly process, describe in detail and refer to the description to Fig. 7 in the embodiment of the present application five in the embodiment of the present application.In above-mentioned application embodiment one, on related free-standing bearing support, be also provided with to spelling overhead structure and/or semicircle muscle structure identical on formula bearing support, so that free-standing bearing support is assemblied on intake manifold body by overhead structure and/or semicircle muscle structure, describe in detail referring to the description to Fig. 7 in the embodiment of the present application five.
As can be seen here, the embodiment of the present application provide to spelling the detailed structure of formula bearing support, and to spelling the gap design between formula bearing support and adjacent valve block, make the structure to spelling formula bearing support more clear, more clear to the assembling mode of spelling formula bearing support.
Embodiment three
The structural representation of the bearing that Fig. 4 provides for the embodiment of the present application three.
Dispersed 41 and 4 annular grooves 42 of 4 semicircle column-shaped projections that are provided with on the inner ring of the bearing that as shown in Figure 4, the embodiment of the present application three provides.
Fig. 5 is the part-structure schematic diagram of the embodiment of the present application three ebonite substrate assembling with bearing that provide.
As shown in Figure 5, on the embodiment of the present application three ebonite substrate 21 assembling with bearing that provide, be provided with 211 and 4 annular protrusions 212 of 4 semi-cylindrical recesses.4 semicircle column-shaped projections 41 that wherein arrange on 4 semi-cylindrical recesses 211 and bearing 4 match, and 4 annular grooves 42 that arrange on 4 annular protrusions 212 and bearing 4 match.
Two bearings 4 are all arranged in metal shaft 1 and respectively and contact with two valve blocks at integral type valve block group two ends.Wherein, be embedded in 4 semi-cylindrical recesses 211 on ebonite substrate 21 by 4 semicircle column-shaped projections 41 on bearing 4, bearing 4 and ebonite substrate 21 are assembled together, and the two is gap design diametrically, makes the two diametrically without relatively rotating, avoided wearing and tearing.In addition,, in the process of assembling 4 annular protrusions 212 on ebonite substrate 21 are embedded in 4 annular grooves 42 on bearing 4 at bearing 4 and ebonite substrate 21, thereby avoid the bearing situation of slippage in the axial direction in the time of assembling.
As shown in Figure 5, on the ebonite substrate 21 assembling with bearing that the embodiment of the present application provides, be also provided with axial limiting face 213.This axial limiting face 213 is for limiting the degree of depth of bearing in the axial assembling of assembly process.In the time that bearing touches axial limiting face in assembly process, represent that bearing assemble completes.
In addition, the bearing that the embodiment of the present application provides and ebonite substrate means of fixation be not limited to that the embodiment of the present application provides in the axial direction by circular groove type matching design, diametrically by semicircle column-shaped projection and semi-cylindrical recesses formula matching design.The means of fixation of the bearing that the embodiment of the present application provides and ebonite substrate is a kind of optimal way, in actual application, can also be other forms of matching design.
As can be seen here, the circular groove type matching design of ebonite substrate on bearing and valve block that the embodiment of the present application provides by gap design upwards of footpath, on axially and by the axial limiting face restriction bearing on ebonite substrate the degree of depth when the axial assembling, the more clear and structure of the assembling of bearing and ebonite substrate is more fixed.
Embodiment four
The embodiment of the present application provides the assembly process of intake manifold variable system.
Fig. 6 is the assembly process figure of the embodiment of the present application four a kind of intake manifold variable system that provides.
The assembly process of a kind of intake manifold variable system that as shown in Figure 6, the embodiment of the present application four provides specifically comprises:
S11, first by the mode of encapsulate injection moulding, ebonite substrate 21 is fixed in metal shaft 1.
Mode by encapsulate injection moulding is fixed on ebonite substrate 21 in metal shaft 1, to make ebonite substrate and the metal shaft formula structure that becomes one.
S12, again by the mode of encapsulate injection moulding, flexible glue coating 22 is fixed on the outer surface of ebonite substrate.
Flexible glue coating 22 is fixed on the outer surface of ebonite substrate by the mode of encapsulate injection moulding, forms integral type valve block group, and integral type valve block group and metal shaft 1 become integral structure.The conformity that has improved like this assembling condition of structural strength between metal shaft 1 and valve block 2 and each valve block, therefore the dimensional accuracy in assembly process has also had the raising of arriving very much.In addition, injection moulding complete after shock resistance, bending resistance folding endurance, sealing and the noise reduction of integral structure of formation be all greatly increased.
S13, between adjacent two valve blocks of multiple valve blocks, install spelling formula bearing support 3.
Between adjacent two valve blocks 2, be provided with spelling formula bearing support 3, and contact to spelling the flexible glue coating of formula bearing support 3 all and between adjacent two valve blocks 2, and flexible glue coating is provided with projection with the part that spelling formula bearing support is contacted, and is gap design to spelling formula bearing support 3 with the projection on flexible glue coating.
After the intake manifold variable system that the embodiment of the present application provides is applied in variable intake manifold, in the time that real engine turns round, by having intercepted on intake manifold body the situation of gas blowby between each gas pipeline to spelling gap design between the projection on formula bearing support 3 and flexible glue coating, simultaneously the projection on flexible glue coating with to the process of spelling the assembling of formula bearing support in, projection on flexible glue coating is compressive deformation in right amount, thereby play the effect of elastic support, the situations such as rotation is smooth to avoid, abnormal sound.
S14, installation bearing 4, make bearing 4 contact with two, integral type valve block group two ends valve block.
Ebonite substrate 21 on bearing 4 and two, integral type valve block group two ends valve block contacts, and bearing 4 and valve block ebonite 21 are gap design diametrically, be circular groove type matching design in the axial direction, can make like this two there is no diametrically relative movement, avoid wearing and tearing; And can avoid bearing slippage in the axial direction in the time of assembling.In addition, on ebonite substrate 21, be also provided with axial limiting face, limited the axial assembling degree of depth of bearing in assembly process.
S15, free-standing bearing support 5 is installed.
Two free-standing bearing supports 5 are separately positioned in metal shaft 1, and two bearings lay respectively in two free-standing bearing supports.
S16, the fixing swing arm 6 in one end of metal shaft.
Swing arm 6 is assemblied in to one end of metal shaft.
As can be seen here, a kind of intake manifold variable system assembly process process that the embodiment of the present application provides, describes the assembly process of a kind of intake manifold variable system that the embodiment of the present application provides in detail, and assembling mode between all parts.Make assembling mode and assembly process between the more clear all parts that a kind of intake manifold variable system that the embodiment of the present application provides has been described, make scheme easier to understand.
Embodiment five
The embodiment of the present application five provides a kind of intake manifold, introduces in detail the application of intake manifold variable system in intake manifold.
A kind of intake manifold that the embodiment of the present application five provides, except a kind of intake manifold variable system that comprises above-described embodiment and provide, also comprises intake manifold body and power plant.Wherein, intake manifold variable system and power plant are all fixed on intake manifold body.
On intake manifold body, be provided with many gas pipelines, on every gas pipeline, be provided with opening, and opening on many gas pipelines is positioned on straight line, and this straight line and direction perpendicular to gas pipeline.
In the process that intake manifold variable system and intake manifold body are installed, many gas pipeline opening is provided with valve block, and by two free-standing bearing supports in intake manifold variable system with multiplely to spelling formula bearing support, intake manifold variable system is fixed on intake manifold body.
Stand alone type bearing support and can also be provided with overhead structure to spelling on formula bearing support, free-standing bearing support and all can fixing by overhead structure and intake manifold body spelling formula bearing support.
Fig. 7 for the embodiment of the present application five provide to spelling the overhead structure of formula bearing support and the assembly structure sectional drawing of intake manifold body.
What as shown in Figure 7, the embodiment of the present application five provided comprises spelling the overhead structure of formula bearing support and the assembly structure sectional drawing of intake manifold body: overhead structure 34 and projection 81.Wherein, overhead structure 34 is positioned at spelling on formula bearing support, and projection 81 is positioned on intake manifold body, and this projection 81 matches with overhead structure 34.
When to spelling formula bearing support and intake manifold body while assembling, by pressing toward the direction of intake manifold body spelling formula bearing support, thereby will be assembled on intake manifold body spelling formula bearing support.As can be seen from Figure 7, when being assembled to after certain degree spelling formula bearing support and intake manifold body, be stuck in by overhead structure 34 in the projection 81 of intake manifold body, effectively avoided to spell formula bearing support with the installation of intake manifold body after, have a reciprocal bounce-back to spelling formula bearing support, make easily to deviate from intake manifold or make and the problem such as assemble built on the sand to spelling formula bearing support and intake manifold spelling formula bearing support.
To spelling on formula bearing support and free-standing bearing support except being provided with overhead structure, can also be provided with semicircle muscle structure.Describe as an example of the semicircle muscle structure on spelling formula bearing support example below.
Fig. 8 for the embodiment of the present application five provide to spelling the semicircle muscle structure of formula bearing support and the assembly structure sectional drawing of intake manifold body.
What as shown in Figure 8, the embodiment of the present application five provided comprises spelling the semicircle muscle structure of formula bearing support and the assembly structure sectional drawing of intake manifold body: semicircle muscle structure 35 and surface of contact 82.Wherein, semicircle muscle structure 35 is positioned at spelling on formula bearing support, and surface of contact 82 is positioned on intake manifold body, and this surface of contact is to spelling formula bearing support and intake manifold body while assembling, the face that intake manifold body contacts with semicircle muscle structure.
As shown in Figure 8, when to spelling formula bearing support and intake manifold body while assembling, to press to the direction of intake manifold body spelling formula bearing support, to spelling formula bearing support and first contacting with the surface of contact 82 on intake manifold body by semicircle muscle structure 35 on intake manifold body, after semicircle muscle structure 35 contacts with surface of contact 82, continue firmly to press to spelling formula bearing support, until by 35 conquassation of semicircle muscle structure, illustrate and be seated with intake manifold body spelling formula bearing support, effectively ensure spelling formula bearing support and the intake manifold body reliable compression while assembling spelling overhead structure on formula bearing support.
A kind of intake manifold variable system that the embodiment of the present application is provided and intake manifold body are by spelling after formula bearing support and free-standing bearing support assembled, also need to install swing arm, the fixed end of swing arm is assemblied in to one end of metal shaft, and the swinging end of swing arm is connected with power plant, finally forms variable intake manifold.This variable intake manifold drives swing arm to swing by power plant, thereby rotates to control the opening and closing of valve block with moving valve plate, and then controls the length of the gas-entered passageway of intake manifold.
On the intake manifold body that the embodiment of the present application provides, can also be provided with two place's limit structures, make swing arm in swing process, the unlatching by this two places limit structure control valve block or close.The schematic diagram of two place's limit structures on the intake manifold body that Fig. 9 provides for the embodiment of the present application five.
As shown in Figure 9, on the intake manifold body that the embodiment of the present application five provides, two place's limit structures comprise: the first limit structure 83 and the second limit structure 84.
As can be seen from Figure 9, in the time that swing arm clockwise rotates, rotate after certain angle in swing arm, can be stuck on the first limit structure 83, at this moment the state of valve block in opening completely or closing completely; Then, swing arm meeting rotates counterclockwise, and rotates after certain angle when swing arm again, can be stuck on the second limit structure 84, at this moment valve block another state in opening completely or closing completely.
As can be seen here, the design of two place's limit structures on intake manifold body has well ensured two limit pivotal positions of swing arm in rotation process, is stuck in the first limit structure and is stuck in the position of swing arm of the second limit structure.Thereby ensure that swing arm is by rotate to control the opening and closing of valve block with moving valve plate, and then controlled the length of the gas-entered passageway of intake manifold.This limit method makes spacing more intuitively easy, accurately and reliably.
A kind of intake manifold variable system providing in the application is, in process that intake manifold body assembles, also to comprise seal ring.
Wherein, seal ring is arranged in metal shaft, and between intake manifold body and swing arm.And the outer ring of the inner ring of seal ring and swing arm, seal ring and intake manifold body are diametrically for interference designs, and are gap design in the axial direction.The situation of having avoided like this swing arm to leak air in rotation process, has ensured the sealing that variable intake manifold is good.
As can be seen here, a kind of variable intake manifold that the embodiment of the present application provides, comprise intake manifold variable system, intake manifold body and power plant, wherein, intake manifold variable system is by being fixed on intake manifold body spelling formula bearing support and free-standing bearing support, and overhead structure and the semicircle muscle structure of spelling on formula bearing support and free-standing bearing support have been ensured to reliably fixing of intake manifold variable system and intake manifold body.The fixed end of swing arm is assemblied in one end of metal shaft, and swinging end is connected with power plant, drives swing arm to swing thereby realize by power plant, thereby band moving valve plate rotates.Two limit positions of swing arm in rotation process are ensured more accurately by two place's limit structures on intake manifold body, simultaneously by seal ring is set between swing arm and intake manifold body, the situation of having avoided swing arm to leak air in rotation process.In practical operation, provide appropriate mixed gas by a kind of variable intake manifold that the embodiment of the present application is provided for the each cylinder of motor, thereby improved the power character of motor.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually referring to, what each embodiment stressed is and other embodiments' difference.
Below be only the application's preferred implementation, make those skilled in the art can understand or realize the application.To be apparent to one skilled in the art to these embodiments' multiple amendment, General Principle as defined herein can, in the case of not departing from the application's spirit or scope, realize in other embodiments.Therefore, the application will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an intake manifold variable system, is characterized in that, comprising: metal shaft, integral type valve block group, two bearings, multiple to spelling formula bearing support, two free-standing bearing supports and swing arm, wherein,
Described integral type valve block group is fixed in described metal shaft by the mode of encapsulate injection moulding;
Described integral type valve block group is formed by the mode of encapsulate injection moulding by multiple valve blocks; Each described valve block includes ebonite substrate and flexible glue coating, and wherein, described ebonite substrate is fixed in described metal shaft by the mode of encapsulate injection moulding, and described flexible glue coating is fixed on described ebonite outer surface of substrate by the mode of encapsulate injection moulding;
Between adjacent described valve block, be provided with described to spelling formula bearing support;
Two described bearings are separately positioned in described metal shaft and respectively and contact with two valve blocks at integral type valve block group two ends;
Two described free-standing bearing supports are all arranged in described metal shaft and two described bearings lay respectively in two described free-standing bearing supports;
Described swing arm is assemblied in described metal shaft.
2. system according to claim 1, is characterized in that, each described to being provided with gap between the described flexible glue coating on spelling formula bearing support valve block adjacent with both sides.
3. system according to claim 1, is characterized in that, two described bearings contact with the ebonite substrate on the valve block of two, integral type valve block group two ends respectively and two described bearings and described ebonite substrate are gap design diametrically.
4. system according to claim 3, is characterized in that, two described bearings and described ebonite substrate are circular groove type matching design in the axial direction.
5. system according to claim 4, is characterized in that, carries out the spacing axial limiting face of the degree of depth on described ebonite substrate while being provided with for axial assembling.
6. system according to claim 1, is characterized in that, described to being provided with overhead structure and/or semicircle muscle structure on spelling formula bearing support.
7. system according to claim 1, is characterized in that, is provided with overhead structure and/or semicircle muscle structure on described free-standing bearing support.
8. a variable intake manifold, is characterized in that, comprising: metal shaft, integral type valve block group, two bearings, multiple to spelling formula bearing support, two free-standing bearing supports, swing arm, intake manifold body and power plant, wherein,
On described intake manifold body, be provided with many gas pipelines, on every described gas pipeline, be provided with opening, and the position of opening on many described gas pipelines is corresponding;
Described integral type valve block group is fixed in described metal shaft by the mode of encapsulate injection moulding;
Described integral type valve block group is formed by the mode of encapsulate injection moulding by multiple valve blocks; Each described valve block includes ebonite substrate and flexible glue coating, and wherein, described ebonite substrate is fixed in described metal shaft by the mode of encapsulate injection moulding, and described flexible glue coating is fixed on described ebonite outer surface of substrate by the mode of encapsulate injection moulding;
Between adjacent described valve block, be provided with spelling formula bearing support;
Two described bearings are separately positioned in described metal shaft and respectively and contact with two valve blocks at integral type valve block group two ends;
Two described free-standing bearing supports are all arranged in described metal shaft and two described bearings lay respectively in two described free-standing bearing supports;
Two described free-standing bearing supports and multiple described to spell that formula bearing support all fixes with described intake manifold body and many described gas pipelines on opening be provided with valve block;
Described power plant are fixed on described intake manifold body;
The fixed end of described swing arm is assemblied in one end of described metal shaft, and the swinging end of described swing arm is connected with described power plant.
9. variable intake manifold according to claim 8, is characterized in that, also comprises: seal ring, described seal ring is between described swing arm and described intake manifold body.
10. variable intake manifold according to claim 8, is characterized in that, is provided with two place's limit structures on described intake manifold body.
Priority Applications (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104314694B (en) * | 2014-09-30 | 2018-05-15 | 东风汽车公司 | A kind of valve block system of variable-length intake manifold |
| DE102015204604A1 (en) * | 2015-03-13 | 2016-09-15 | Mahle International Gmbh | Suction module of a fresh air system |
| JP6558156B2 (en) * | 2015-09-03 | 2019-08-14 | アイシン精機株式会社 | Intake device and intake control valve |
| JP6645250B2 (en) * | 2016-02-22 | 2020-02-14 | アイシン精機株式会社 | Intake device for internal combustion engine |
| CN105715422A (en) * | 2016-03-02 | 2016-06-29 | 宁波神通模塑有限公司 | Ball friction type variable intake manifold |
| CN107725233A (en) * | 2017-10-25 | 2018-02-23 | 青岛华涛汽车模具有限公司 | A kind of inlet manifold variable system |
| CN112065621A (en) * | 2019-06-10 | 2020-12-11 | 广州汽车集团股份有限公司 | Diesel engine intake manifold |
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| CN102312730A (en) * | 2010-06-04 | 2012-01-11 | 曼·胡默尔有限公司 | The production method of the clack valve assembly of intake manifold and the assembly of being realized |
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| JP5138650B2 (en) * | 2009-09-15 | 2013-02-06 | 愛三工業株式会社 | Valve opening / closing device |
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