CN106979102A - The exhaust gas recirculation valve device of cam structure - Google Patents
The exhaust gas recirculation valve device of cam structure Download PDFInfo
- Publication number
- CN106979102A CN106979102A CN201610028247.3A CN201610028247A CN106979102A CN 106979102 A CN106979102 A CN 106979102A CN 201610028247 A CN201610028247 A CN 201610028247A CN 106979102 A CN106979102 A CN 106979102A
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- valve
- engine
- supporting part
- exhaust gas
- shaft supporting
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- 210000000635 valve cell Anatomy 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000033001 locomotion Effects 0.000 claims abstract description 27
- 238000002485 combustion reaction Methods 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims description 32
- 230000037431 insertion Effects 0.000 claims description 32
- 238000005096 rolling process Methods 0.000 claims description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 5
- 230000008450 motivation Effects 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 99
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
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- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- Mechanically-Actuated Valves (AREA)
Abstract
The present invention relates to a kind of exhaust gas recirculation valve device of cam structure, receive the revolving force of engine and valve cell is moved linearly, so as to be opened and closed the path towards air-breathing branch manifold to recycle the discharge gas of car combustion engine generation, the revolving force and the power transmission tooth wheel portion for making the valve cell be moved linearly and engaged gear portion that receive the engine are arranged on the rectilinear movement direction holding straight line with the valve cell to reduce side force and frictional force, so as to minimize the kinetic equation loss produced in power transmission process, and can stably be opened and closed gas flow, and improve operating reliability.
Description
Technical field
The present invention relates to a kind of exhaust gas recirculation valve device of cam structure, more specifically, it is related to one kind and passes through
In an arrangement on straight line, the gear of power and the shifting axle of valve are transmitted based on valve cell, so as to stably receive hair
The exhaust gas recirculation valve device of the power of motivation and the cam structure operated.
Background technology
Generally, the discharge gas discharged in engine, which is passed through, to be arranged on automobile and for preventing the discharge gas discharged in engine
Exhaust gas recirculation (the EGR of the nitrogen oxides (NOx) produced in body；Exhaust Gas Recirculation) valve cooling
And portion gas mixed with gaseous mixture after be drawn into cylinder.
In order to recycle discharge gas, exhaust branch manifold and air-breathing branch manifold choke valve flow down between form path
To recycle discharge gas, exhaust gas recirculation valve is set on the path and the path is opened and closed.
The exhaust gas recirculation valve includes the shell with the gas flow for sucking and discharging discharge gas, selectivity
The valve cell of the opening and closing gas flow, the engine of power for producing operating valve cell and transmitted to the valve cell
The power transfering part of the revolving force of the engine.
The rotation force direction of the engine is converted to rectilinear direction and passed to the valve cell by the power transfering part
Pass, the valve cell of the operating based on the engine moves linearly, so as to optionally be opened and closed the gas flow.
There is existing exhaust gas recirculation valve the gear that power is transmitted in power transfering part to be staggeredly arranged mutually, and outside
Shell only supports the structure of a side end face of the rotary shaft of gear, during the revolving force of transmission engine, due to side force
Cause substantial amounts of kinetic equation loss with frictional force, because the stability of operating is bad, recycles discharge gas and be opened and closed gas flow
When, there is the problem of reliability is low.
In addition, a large amount of kinetic equation losses are had some setbacks and produce because the vibrations that rotary shaft occurs cause power to transmit in operating,
Cause the reduction of operating reliability, and rotary shaft and gear are often damaged due to shaking.
The content of the invention
Technical problem
It is an object of the present invention to provide a kind of exhaust gas recirculation valve device of cam structure, is sent out by that will receive
The shifting axle configuration of the gear and valve of the revolving force of motivation point-blank, can reduce the frictional force based on side force to carry
For stable operating, so as to improve for exhaust gas recirculation valve maintainability.
Solution to problem
In order to solve described technical problem, the present invention provides a kind of exhaust gas recirculation valve device of cam structure,
It is opened and closed the path towards air-breathing branch manifold to recycle the discharge gas of car combustion engine generation, it is characterised in that including：Valve
Shell, it has the gas flow for sucking and discharging discharge gas；Valve cell, it is described to be optionally opened and closed by moving linearly
Gas flow；Engine, produces power to operate the valve cell；Valve rotation section, by the revolving force for receiving the engine
So that the valve cell linear motion；And power transfering part, turn for the revolving force of the engine to be passed into the valve
Dynamic portion, the power transfering part includes being used to transmit the power transmission tooth wheel portion of the revolving force of the engine, and the valve is rotated
Portion includes the engaged gear portion that rotation is engaged with the power transmission tooth wheel portion, the power transmission tooth wheel portion and the operating tooth
Wheel portion and the rectilinear movement direction of the valve cell are kept point-blank.
In the present invention, the engaged gear portion forms one, the valve rotation section with being eccentric in the cam hole of pivot
It may include driving roller portion, be inserted in the cam hole and rolled in the cam hole；And rolling stand portion, it is rotatable
Ground is connected with the driving roller portion and installed in the end of the valve cell.
In the present invention, the valve rotation section may also include the spring that resilient support is provided for the valve cell.
In the present invention, the cam hole can have the rotary shaft in side and the engaged gear portion near, opposite side with it is described
The remote structure of the rotary shaft in engaged gear portion.
In the present invention, the valve cell include can valve shifting axle, moved linearly based on the valve rotation section；Valve disc,
Positioned at the end of the valve shifting axle and the outlet of gas flow is opened and closed, the rolling stand portion includes the first cylinder support portion
With second tin roller supporting part, it is respectively disposed on the two sides in the engaged gear portion and supports the axis of rolling in the driving roller portion
Two ends；And frame bottom, connect the first cylinder support portion and the second tin roller in the outside in the engaged gear portion
Supporting part and the end for being provided with the valve shifting axle.
In the present invention, there can be main gear section on the engine shaft of the engine, the power transmission tooth wheel portion includes
First center tooth wheel portion, it is engaged with the main gear section；Second center tooth wheel portion, its diameter is than the first center tooth wheel portion
Diameter it is small, and protrude from the side of the first center tooth wheel portion and be engaged with the engaged gear portion, in the middle of described second
Gear part, the engaged gear portion, the driving roller portion and the valve shifting axle are arranged on same vertical line.
In the present invention, the first center tooth wheel portion and the main gear section can it is engaged and with the engaged gear portion
Isolation and parallel arrangement.
In the present invention, the valve shell may include chassis trunk, for installed in vehicle；First shaft supporting part, tool
There is the shape extended above the chassis trunk to top side, and support the power transmission tooth wheel portion and the fortune
The side in rotating disk portion；Second shaft supporting part, with isolating with first shaft supporting part and in the upper of the chassis trunk
Extend shape towards top side, and support the opposite side in the power transmission tooth wheel portion and the engaged gear portion, and make institute
State the engine shaft insertion of engine；Engine insertion section, from second shaft supporting part to the anti-of first shaft supporting part
Face extends and inside it inserted with the engine；Runner trunk, with below the chassis trunk to bottom one
The shape of side extension, forms the gas flow for flowing into and discharging discharge gas, forms the gas stream being opened and closed based on the valve cell
Road.
In the present invention, the valve shell may also include the engine of the opening side for covering the engine insertion section
Insertion section lid, engine insertion section lid to the inside of the engine insertion section by inserting the engine, institute
The engine shaft for stating engine runs through and protruded after the axle through hole of second shaft supporting part, with the engine insertion section
(15) opening side is with reference to close the inside of the engine insertion section.
In the present invention, the width of first shaft supporting part is smaller than outside the width of second shaft supporting part, the valve
Shell also includes being connected and with the shape of depression with the portion integral of first shaft supporting part and second shaft supporting part respectively
Shape so that top with the engaged gear portion is separated by first is connected frame and the second connection frame.
In the present invention, the chassis trunk can have between first shaft supporting part and second shaft supporting part
Protrusion forms and is formed with the spring lower support of shifting axle through hole, the periphery shape of the spring lower support
Into there is the circular trough, the bottom of the spring is inserted and is arranged in the circular trough, the top of the valve shifting axle
Spring upper support with the upper end side for supporting the spring.
There can be axle to move guiding sleeve in the present invention, in the shifting axle through hole, the axle movement guiding sleeve is passed through
It is connected with the rectilinear movement up and down of the valve shifting axle and the guiding valve shifting axle.
In the present invention, the axle movement guiding sleeve is located in the shifting axle through hole, and the shifting axle through hole
The interior multiple axle movement guiding sleeves isolated with above-below direction.
In the present invention, any side can have to the valve list in first shaft supporting part and second shaft supporting part
Also include being connected with the valve cell in the mobile guiding groove that is slenderly formed of moving direction of member, the mobile guiding groove and one
Play mobile magnetic；And the hall sensor of the position of the sensing magnetic.
In the present invention, the runner trunk, which can have, to be flowed into and discharges the gas flow of discharge gas and positioned at the valve
The outlet of disk and the gas flow that can be opened and closed, has from the inflow entrance of the gas flow in the gas flow
The discharge gas of inflow is oriented to the inclined wall of the outlet of the gas flow.
In the present invention, the valve rotation section may also include the rotation for limiting the engaged gear portion in setting range
Rotation brake portion.
In the present invention, the side in the engaged gear portion can have circular arc brake apparatus groove or brake apparatus hole with
The radius of turn in the engaged gear portion is limited, the rotation brake portion includes first shaft supporting part and the second axle branch
In support part any side protrude and insert the brake apparatus groove or the brake apparatus hole in brake apparatus pin.
Invention effect
The present invention is by the engaged gear portion of the revolving force by engine is received and the valve shifting axle of valve rotation section at one
Configured on straight line, to reduce side force and frictional force, so as to minimize the kinetic equation loss produced in power transmission process, be opened and closed gas
During body runner, can stably it operate, and with the effect for improving operating reliability.
The present invention saves manufacturing cost, the fortune that can stablize during opening and closing gas flow by integrated engaged gear and cam
Turn, and with the effect of operating reliability can be improved.
The present invention transmits the two ends of the rotary shaft of the gear of power by support, minimizes the vibrations occurred during gear operation
So as to the effect with the durability for improving gear and rotary shaft.
Brief description of the drawings
Fig. 1 is an embodiment exploded perspective of the exhaust gas recirculation valve device for illustrating cam structure of the present invention
Figure.
Fig. 2 is an embodiment elevational cross-section of the exhaust gas recirculation valve device for illustrating cam structure of the present invention
Figure.
Fig. 3 is an embodiment perspective view of the exhaust gas recirculation valve device for illustrating cam structure of the present invention.
Fig. 4 is an embodiment sectional view of the exhaust gas recirculation valve device for illustrating cam structure of the present invention.
Fig. 5 and Fig. 6 are the operating diagrams for the exhaust gas recirculation valve device for illustrating cam structure of the present invention.
Fig. 7 is an embodiment sketch map of the exhaust gas recirculation valve device for illustrating cam structure of the present invention.
Accompanying drawing identifier declaration
10：Valve shell 11：Runner trunk
11a：Gas flow 12：Chassis trunk
12a：Shifting axle through hole 13：First shaft supporting part
14：Second shaft supporting part 15：Engine insertion section
15a：Axle through hole 20：Valve cell
21：Valve shifting axle 22：Valve disc
30：Engine 40：Valve rotation section
41：Engaged gear portion 41a：Brake apparatus groove
41b：Second rotary shaft 42：Spring
43：Cam part 43a：Cam hole
44：Drive roller portion 45：Rolling stand portion
45a：First cylinder support portion 45b：Second tin roller supporting part
45c：Frame bottom 50：Power transfering part
50a：First rotary shaft 51：Power transmission tooth wheel portion
51a：First center tooth wheel portion 51b：Second center tooth wheel portion
60：Main gear section 70：Rotation brake portion
Embodiment
Referring to the drawings to a preferred embodiment of the present invention will be described in detail.Before illustrating the present invention, if it is considered to
Relevant known function and structure when illustrating for illustrating that the purport of the present invention is not necessarily to or obscures it by it
Omit.Embodiments of the invention are, in order to of the invention to those skilled in the art's explanation, to enable the invention to
It is enough to be more comprehensively understood and provide.Therefore, in order to become apparent from clearly stating, the shape of the element in accompanying drawing
It may be exaggerated with size.
The present invention relates to by air-breathing branch manifold recycle automobile internal combustion engine produce discharge gas and be opened and closed path
The exhaust gas recirculation valve device of cam structure.
Fig. 1 is that the decomposition of an embodiment of the exhaust gas recirculation valve device for illustrating cam structure of the present invention is saturating
View, Fig. 2 is the elevational cross-section of an embodiment of the exhaust gas recirculation valve device for illustrating cam structure of the present invention
Figure.
In addition, Fig. 3 is an embodiment of the exhaust gas recirculation valve device for illustrating cam structure of the present invention
Perspective view, Fig. 4 is the sectional view of an embodiment of the exhaust gas recirculation valve device for illustrating cam structure of the present invention.
Referring to figs. 1 to Fig. 4, below to an implementation of the exhaust gas recirculation valve device of cam structure of the present invention
Example is described in detail.
The exhaust gas recirculation valve device of cam structure of the present invention is included with suction and discharge discharge gas
Gas flow 11a valve shell 10, by moving linearly to be optionally opened and closed the valve cell 20 of the gas flow 11a,
Power is produced to operate the engine 30 of the valve cell 20, by receiving the revolving force of the engine 30 so that the valve list
The valve rotation section 40 of 20 yuan of linear motions, and for the revolving force of the engine 30 to be passed into the valve rotation section 40
Power transfering part 50.
The exhaust gas recirculation valve device of cam structure of the present invention also includes connecing from the power transfering part 50
Receive the valve rotation section 40 of the revolving force of the engine 30 and the valve cell 20 that moves linearly.The straight line of valve rotation section 40 is moved
Move the valve cell 20 and be optionally opened and closed the gas flow 11a of the valve shell 10.
The valve cell 20 also includes being formed doing the valve shifting axle 21 moved linearly and institute based on the valve rotation section 40
State the end of valve shifting axle 21 and be opened and closed gas flow 11a outlet 11b valve disc 22.
The power that the power transfering part 50 includes the revolving force for transmitting the engine 30 to the valve rotation section 40 is passed
Gear part 51 is passed, the power transmission tooth wheel portion 51 can rotatably being supported based on the first rotary shaft 50a by the valve shell 10.
The valve shell 10 has first shaft supporting part 13 and the at the both ends for supporting the first rotary shaft 50a respectively
Two shaft supporting parts 14.
That is, described first rotary shaft 50a both ends are supported with first shaft supporting part 13 and second axle respectively
Portion 14 connects and supported.
The valve shell 10 includes runner trunk 11, and it has the gas flow for being used for flowing into and discharge discharge gas
11a's；Chassis trunk 12, is integrally formed on runner trunk 11, and is connected with the gas flow 11a, and has
It is through with the shifting axle through hole 12a of the valve shifting axle 21 and on automobile.First shaft supporting part 13 and described
Second shaft supporting part 14 is erect and is separately formed on the chassis trunk 12.
More specifically, the valve shell 10 includes chassis trunk 12, for installed in vehicle；First shaft supporting part
15, with the shape extended above the chassis trunk 12 to top side, and support the power transmission tooth wheel portion
51 side；Second shaft supporting part 14, with isolating with first shaft supporting part 13 and in the upper of the chassis trunk 12
Extend shape, and the opposite side of the support power transmission tooth wheel portion 51 towards top side, and make the hair of the engine 20
The insertion of motivation axle 31；Engine insertion section 15, the reverse side from second shaft supporting part 14 to first shaft supporting part 13 prolongs
Stretch and inside it inserted with the engine 30；Runner trunk 11, with below the chassis trunk 12 to bottom
The shape of side extension, forms the gas flow 11a for flowing into and discharging discharge gas, forms the gas being opened and closed based on the valve cell
Body runner 11a.
First shaft supporting part 13 and second shaft supporting part 14 are without the support power transmission tooth wheel portion 51
The both sides in the engaged gear portion 41 of two sides and the support valve rotation section 40, are described in detail below.
In addition, having between first shaft supporting part 13 and second shaft supporting part 14 is used for the power transmission tooth
The power transmission in wheel portion 51, the engaged gear portion 41 etc. and the gear chamber 10a for being disposed with multiple gears.
The width of first shaft supporting part 13 can be smaller than the width of second shaft supporting part 14.
Second shaft supporting part 14 forms the engine insertion section 15 in its side due to needing, therefore should have
Width corresponding with the diameter of the engine 30 and that the engine insertion section 15 can be formed.
The valve shell 10 also includes that the engine insertion section lid of the open side of the engine insertion section 15 can be covered
Sub- 15b.
The engine insertion section lid 15b to the inside of the engine insertion section 15 by inserting the engine 30
And the engine shaft 31 of the engine 30 through the second shaft supporting part 14 axle through hole 15a and protrude after with the engine
The opening side of insertion section 15 is with reference to close the inside of the engine insertion section 15.
The valve shell 10 also includes bottom respectively with first shaft supporting part 13 and second shaft supporting part 14
Integrally connected and shape with depression is so that top and the engaged gear portion 41 are separated by the operating prevented so as to top
The first connection connection frame 18 of frame 17 and second that gear part 41 rotates.
The first connection frame 17 and the second connection frame 18 support described first be mutually erected separately securely
Shaft supporting part 13 and second shaft supporting part 14 make it keep stable.
The gas flow 11a has the inflow entrance for being used for flowing into discharge gas and discharge discharge gas and into automobile
Combustion engine sucks air and the outlet 11b flowed into air-breathing branch manifold.The outlet 11b is moved in the straight line of the valve cell 20
Connected on dynamic direction with the shifting axle through hole 12a, so as to be based on the valve disc when the valve shifting axle 21 moves linearly
The 22 opening and closing outlet 11b.
Second shaft supporting part 14 has engine insertion section 15 to insert the engine 30, and has and the hair
The inside of motivation insertion section 15 connects and can made the axle through hole 15a of the insertion of engine shaft 31 of the engine 30.
The engine 30 of insertion in the engine insertion section 15, its engine shaft passes through the axle through hole 15a
Protrusion is between first shaft supporting part 13 and second shaft supporting part 14.
The engine shaft has the main gear section 60 being engaged with the power transmission tooth wheel portion 51.It is described as one
Main gear section 60 can be little gear.
The valve rotation section 40 includes the fortune rotated centered on the second rotary shaft 41b at least a portion of outer peripheral face
Rotating disk portion 41, the second rotary shaft 41b is engaged rotation with the power transmission tooth wheel portion 51 and by the valve shell 10
Support.
The engaged gear portion 41 has the cam part for being eccentric in the second rotary shaft 41b and promoting the valve cell 20
43, the valve rotation section 40 also includes flexibly supporting the spring 42 of the valve cell 20.
The engaged gear portion 41 is rotated centered on the second rotary shaft 41b, based on being eccentric in the engaged gear portion 41
Pivot rotation the cam part 43, promote the valve cell 20 to make it to the discharge for opening the gas flow 11a
Mouth 11b direction rectilinear movement, the pressure for being applied to the valve cell 20 is released based on the cam part 43, based on the spring
Valve cell 20 described in portion 42 is moved to the direction for the outlet 11b for closing the gas flow 11a, so as to be re-closing off the row
Export 11b.
The cam part 43 forms the cam hole 43a of circular arc in the side in the engaged gear portion 41, and the valve is rotated
Portion 40 includes driving roller portion 44, is inserted in the cam hole 43a and is rolled in the cam hole 43a；And rolling stand
Portion 45, is rotatably connected the driving roller portion 44 and installed in the end of the valve shifting axle 21.
The driving roller portion 44 contacts and rolled with the inner peripheral surface of the cam hole 43a.
The engaged gear portion 41 is inserted with the driving roller portion 44 and mobile, and with being eccentric in the cam hole of pivot
43a forms one, can save manufacturing cost, during opening and closing gas flow 11a, can more stably operate, can also improve fortune
Turn reliability.
More specifically, the cam hole 43a has compared with closing on one end of the valve cell 20, the other end and described the
The farther structure of distance between two rotary shaft 41b center.The driving roller portion 44 is located to be faced with the second rotary shaft 41b
The near cam path or the cam hole 43a with end side when, the valve cell 20, which is in, closes the gas flow 11a
Outlet 11b state, the driving roller portion 44 be located at the cam path remote with the second rotary shaft 41b or institute
When stating cam hole 43a the other end side, the valve cell 20 is promoted it is moved linearly and open the gas flow 11a's
Outlet 11b.
The two sides that the rolling stand portion 45 includes being arranged respectively at the engaged gear portion 41 are used to support the drive
The first cylinder support portion 45a and second tin roller supporting part 45b at the drum shaft two ends in dynamic roller portion 44, in the engaged gear portion
41 outside connects the first cylinder support portion 45a and second tin roller supporting part 45b and is provided with the valve shifting axle
The frame bottom 45c of 21 end.
The cam hole 43a has the shape of the two sides in engaged gear portion 41 described in insertion, first cylinder support
Portion 45a and the second tin roller supporting part 45b are arranged respectively at the both sides of the cam hole 43a.
There is the first cylinder support portion 45a and second tin roller supporting part 45b to erect in the rolling stand portion 45
In the shape of the both side ends of the frame bottom 45c.
The side in the engaged gear portion 41 and the bodily forms of cam hole 43a mono- inserted with the driving roller portion 44 and rolling
Into the drum shaft two ends in the driving roller portion 44 in the state of the cam hole 43a interpolations have the driving roller portion 44
Portion is supported in the both sides of the cam hole 43a by the first cylinder support portion 45a and the second tin roller supporting part,
By installing the end of the valve shifting axle 21 in the frame bottom 45c, so that by the engaged gear portion 41, the driving
Roller portion 44, the valve shifting axle 21 is configured on the same line, the rectilinear movement side of the straight line and the valve shifting axle 21
To consistent.
Therefore, the engaged gear portion 41, the driving roller portion 44, the valve shifting axle 21 is configured to be moved with the valve
On the consistent direction in rectilinear movement direction of moving axis 21, so as to reduce side force (Side force) and the friction in operating
Power, so as to minimize the kinetic equation loss produced in power transmission process.
In addition, the both ends of the second rotary shaft 41b are connected to first shaft supporting part 13 and described second
On shaft supporting part 14 and it is supported.
The power transmission tooth wheel portion 51 includes the first center tooth wheel portion 51a being engaged with main gear section 60；
It is with the diameter smaller than the first center tooth wheel portion 51a and convex in the side of the first center tooth wheel portion 51a
The the second center tooth wheel portion 51b for going out and being engaged with the engaged gear portion 41.
The first center tooth wheel portion 51a and the second center tooth wheel portion 51b is using the first rotary shaft 50a in
The heart, is rotated with same pivot.
The revolving force of the power transmission tooth wheel portion 51 and the reception power transmission tooth wheel portion 51 and the fortune rotated
Rotating disk portion 41 is rotated centered on the first rotary shaft 50a and the second rotary shaft 41b respectively, first rotary shaft
50a both ends are connected and are supported with first shaft supporting part 13 and second shaft supporting part 14 respectively, and described
Two rotary shaft 41b both ends are connected and propped up with first shaft supporting part 13 and second shaft supporting part 14 respectively
Support.
The first center tooth wheel portion 51a and the main gear section 60 are engaged and isolate with the engaged gear portion 41
And parallel arrangement, the second center tooth wheel portion 51b be engaged with the engaged gear portion 41 and in the engaged gear portion 41 and
The direction that the rectilinear movement direction of the valve shifting axle 21 is consistent is configured.
Therefore, the second center tooth wheel portion 51b, the engaged gear portion 41, the driving roller portion 44, the valve is moved
Moving axis 21 is configured on same vertical line, so as to reduce side force (Side force) and frictional force in operating, so that
Minimize the kinetic equation loss produced in power transmission process.
In addition, the power transmission tooth wheel portion 51 is supported by described at the both ends of the first rotary shaft 50a respectively
Rotated in the state of one shaft supporting part 13 and second shaft supporting part 14, the engaged gear portion 41 is in second rotary shaft
41b both ends are supported by rotation in the state of first shaft supporting part 13 and second shaft supporting part 14 respectively, so that
The generation of vibrations can be minimized when the power transfering part 50 and the engaged gear portion 41 rotation, can be with stable and accurate
Gear ratio control operating.
The chassis trunk 12 has to be protruded between first shaft supporting part 13 and second shaft supporting part 14
And it is formed with the shifting axle through hole 12a spring lower support 12b, the periphery of the spring lower support 12b
The circular trough is formed with, the bottom of the spring 42 is inserted and is arranged in the circular trough.
In addition, the top side of the valve shifting axle 21 is i.e., the bottom in the rolling stand portion 45, which has, supports the bullet
The spring upper support 110 of the upper end side in spring portion 42.
Support of the bottom side of the spring 42 inserted with the spring lower support 12b to stablize, so that
The resilient support of stabilization is not deformed and provided for the valve cell 20 when contraction and expansion.
The valve movement is through with addition, having in the shifting axle through hole 12a of the spring lower support 12b
The axle moved linearly up and down the movement guiding sleeve 21a of axle 21 and the guiding valve shifting axle 21.
The axle movement guiding sleeve 21a is arranged in the shifting axle through hole 12a and guides the valve shifting axle 21
Swimmingly it can move linearly up and down.
The axle movement guiding sleeve 21a is located in the shifting axle through hole, and has in the shifting axle through hole
Multiple axle movement guiding sleeve 21a of above-below direction isolation, so that the valve shifting axle 21 being capable of nothing when moving up and down
Rock and stable movement.
In addition, any side has to the valve cell in first shaft supporting part 13 and second shaft supporting part 14
It is configured with and the valve cell 20 1 in the mobile guide channel 16 that 20 moving direction is slenderly formed, the mobile guide channel 16
With mobile magnetic 90.
The magnetic 90 is connected with the valve shifting axle 21 and the spring upper support 110, and is moved with the valve
Moving axis 21 together moves linearly up and down.As one, the magnetic 90 is any one in electromagnet or permanent magnet.
Though being diagram, the front of the magnetic 90 is provided with the Hall for the electronic control unit (ECU) for being connected to automobile
Inductor.The hall sensor senses the position of the magnetic 90, so as to sense the position of the valve cell 20 exactly
And transmitted to the electronic control unit of automobile.
The hall sensor determines flux Bx, Bz of both direction opposite mutually, the flux ratio based on both direction
Example calculates output valve, so as to correctly perceive the perceptual object.
Because the flux of the magnetic 90 is changed based on the change of temperature, but based on the position of the magnetic 90
Both direction flux ratio keep it is constant, therefore, the periphery temperature that the hall sensor is changed based on temperature of exhaust gas
The change of degree, the position of the magnetic 90 can be confirmed exactly.
The runner trunk 11 there is the gas flow 11a that flows into and discharge discharge gas and positioned at the valve disc 22 and
The outlet 11b, the gas flow 11a for the gas flow 11a that can be opened and closed are with by from the gas flow 11a's
The discharge gas that inflow entrance side is flowed into is oriented to the outlet 11b of gas flow 11a inclined wall 11c.
The discharge gas flowed into the gas flow 11a is oriented to the row of the gas flow 11a by the inclined wall 11c
Outlet 11b simultaneously eddy generation and can not be smoothly discharged discharge gas when being discharged to the outlet 11b.
In addition, the valve rotation section 40 is additionally included in the rotation for the rotation that the engaged gear portion 41 is limited in the range of setting ground
Turn braking parts 70.
The engaged gear portion 41 limits the rectilinear movement scope of the valve cell 20, so that the energy of rotation brake portion 70
Enough preventing the excessive movement due to the valve cell 20 causes breakage in the gas flow 11a.
The engaged gear portion 41 is restricted based on described its radius of turn of rotation brake portion 70, so that the valve list
20, member rotates in the range of closing and opening the outlet 11b of the gas flow 11a.
The side in the engaged gear portion 41 be formed with circular arc brake apparatus groove 41a or brake apparatus hole to limit
The radius of turn in engaged gear portion 41 is stated, the rotation brake portion 70 is included in first shaft supporting part 13 and second axle
Any side is protruded and is inserted in the brake apparatus and the brake apparatus pin in groove 41a or described brake apparatus hole in supporting part 14
71。
In the present invention, as one, the side in the engaged gear portion 41 be formed with circular arc brake apparatus groove 41a or
The end that brake apparatus hole is used to insert the brake apparatus pin 71 makes it in the radius of turn scope in the engaged gear portion 41
Inside it is blocked.
Based on the operating of the engine 30, the revolving force of the engine 30 by the power transmission tooth wheel portion 51 to
The transmission of engaged gear portion 41 rotates the engaged gear portion 41.
In addition, the exhaust gas recirculation valve device of cam structure preferably also includes surrounding and covering the first axle branch
Support part 13 and the shell covering part 80 of the periphery of second shaft supporting part 14.
The shell covering part 80 is by preventing configuration in first shaft supporting part 13 and second shaft supporting part 14
Between the power transfering part 50 and the valve rotation section 40 expose, so as to prevent the entrance of impurity during due to operating
Failure or accident caused by between gear.
The shell covering 80 is separably combined with the valve shell 10, optionally opens the first axle support
Between portion 13 and second shaft supporting part 14, so as to repair and check positioned at first shaft supporting part 13 and described
The power transmission tooth wheel portion, the engaged gear portion 41 and the driving roller portion 44 between two shaft supporting parts 14.
In addition, reference picture 5 and Fig. 6, below to the exhaust gas recirculation valve device of cam structure of the present invention
Worked example is illustrated.
Reference picture 5, based on the operating of the engine 30, the engaged gear portion 41 rotates, the driving roller portion 44
Contact and roll with the inner peripheral surface of the cam hole 43a in the one end side of the cam hole 43a, to the cam hole 43a's
The other end side is moved, now, and the pivot of the cam hole 43a and the pivot in the engaged gear portion 41 occur partially
The heart, promotion of the driving roller portion 44 based on the engaged gear portion 41 moves linearly, thus, makes the valve shifting axle 21
Rectilinear movement is done so as to which the outlet 11b that the valve disc 22 opens the gas flow 11a makes discharge gas flow into internal combustion engine
In air-breathing branch manifold.
Reference picture 6, the revolving force of reverse direction is received from the engine 30, the engaged gear portion 41 revolves to reverse direction
Turn, the driving roller portion 44 is moved from the another side of the cam hole 43a to the one end side of the cam hole 43a, solution
Except the pressurized state in the driving roller portion 44, valve shifting axle 21 described in the elastic force based on the spring 42 is to the valve disc 22
The direction for closing the outlet 11b of the gas flow 11a moves linearly, and closes the outlet of the gas flow 11a
11b, so as to block discharge gas to flow into the air-breathing branch manifold of internal combustion engine.
In addition, reference picture 7, stops the two of the brake apparatus groove 41a respectively by the end of the brake apparatus pin 71
End, the engaged gear portion 41 limits radius of turn.
That is, the end of described brake apparatus pin 71 stops the one end of the brake apparatus groove 41a, limits described to closing
The radius of turn in the engaged gear portion 41 in gas flow 11a outlet 11b direction, the end of the brake apparatus pin 71
Portion stops the other end of the brake apparatus groove 41a, limits to the direction for the outlet 11b for opening the gas discharge runner
The radius of turn in the engaged gear portion 41.
Engaged gear portion 41 and the valve shifting axle of valve rotation section 40 of the present invention by the revolving force by engine 30 is received
21 point-blank configure, to reduce side force and frictional force, are damaged so as to minimize the power produced in power transmission process
Consumption, during opening and closing gas flow 11a, can stably be operated, and improve operating reliability.
The present invention saves manufacturing cost by integrated engaged gear and cam, can stablize during opening and closing gas flow 11a
Operating, and operating reliability can be improved.
The present invention transmits the two ends of the rotary shaft of the gear of power by support, minimizes the vibrations occurred during gear operation
So as to improve the durability of gear and rotary shaft.
In without departing from main scope of the invention as described above, the technical field of the invention has usual knowledge
Technical staff can modify and deform.The interest field of the present invention should be explained based on claims of the present invention.
Claims (17)
1. a kind of exhaust gas recirculation valve device of cam structure, it is opened and closed the path towards air-breathing branch manifold to recycle vapour
The discharge gas that in-car combustion engine is produced, it is characterised in that including：
Valve shell, it has the gas flow for sucking and discharging discharge gas；
Valve cell, the gas flow is optionally opened and closed by moving linearly；
Engine, produces power to operate the valve cell；
Valve rotation section, by receiving the revolving force of the engine so that the valve cell is moved along a straight line；And
Power transfering part, for the revolving force of the engine to be passed into the valve rotation section,
The power transfering part includes being used to transmit the power transmission tooth wheel portion of the revolving force of the engine,
The valve rotation section includes the engaged gear portion that rotation is engaged with the power transmission tooth wheel portion,
The power transmission tooth wheel portion and the engaged gear portion and the rectilinear movement direction of the valve cell are maintained at one directly
On line.
2. the exhaust gas recirculation valve device of cam structure as claimed in claim 1, it is characterised in that
The engaged gear portion forms one with being eccentric in the cam hole of pivot,
The valve rotation section includes：
Roller portion is driven, is inserted in the cam hole and is rolled in the cam hole；And
Rolling stand portion, is rotatably connected the driving roller portion and installed in the end of the valve cell.
3. the exhaust gas recirculation valve device of cam structure as claimed in claim 2, it is characterised in that
The valve rotation section also includes the spring that resilient support is provided for the valve cell.
4. the exhaust gas recirculation valve device of cam structure as claimed in claim 2, it is characterised in that
The cam hole has the rotary shaft of side and the engaged gear portion near, opposite side and the rotation in the engaged gear portion
The remote structure of axle.
5. the exhaust gas recirculation valve device of cam structure as claimed in claim 3, it is characterised in that
The valve cell includes：
Valve shifting axle, is moved linearly based on the valve rotation section；
Valve disc, positioned at the end of the valve shifting axle and is opened and closed the outlet of gas flow,
The rolling stand portion includes：
First cylinder support portion and second tin roller supporting part, are respectively disposed on the two sides in the engaged gear portion and support described
Drive the axis of rolling two ends in roller portion；And
Frame bottom, the first cylinder support portion and the second tin roller supporting part are connected in the outside in the engaged gear portion
And the end of the valve shifting axle is installed.
6. the exhaust gas recirculation valve device of cam structure as claimed in claim 2, it is characterised in that
There is main gear section on the engine shaft of the engine,
The power transmission tooth wheel portion includes：
First center tooth wheel portion, it is engaged with the main gear section；
Second center tooth wheel portion, its diameter is smaller than the diameter of the first center tooth wheel portion, and protrudes from first center tooth
The side of wheel portion is simultaneously engaged with the engaged gear portion,
The second center tooth wheel portion, the engaged gear portion, the driving roller portion and the valve shifting axle are arranged in same
On vertical line.
7. the exhaust gas recirculation valve device of cam structure as claimed in claim 6, it is characterised in that
The first center tooth wheel portion and the main gear section are engaged and isolate and be arranged in parallel with the engaged gear portion.
8. the exhaust gas recirculation valve device of cam structure as claimed in claim 5, it is characterised in that
The valve shell includes：
Chassis trunk, for installed in vehicle；
First shaft supporting part, with the shape extended above the chassis trunk to top side, and supports described dynamic
Power Transmission gear portion and the side in the engaged gear portion；
Second shaft supporting part, with isolating and above the chassis trunk to top side with first shaft supporting part
Extend shape, and support the opposite side in the power transmission tooth wheel portion and the engaged gear portion, and make the hair of the engine
Motivation axle insertion；
Engine insertion section, from second shaft supporting part to the reverse side of first shaft supporting part extend and its inside inserted with
The engine；
Runner trunk, with the shape extended below the chassis trunk to bottom side, forms and flows into and discharge
The gas flow of discharge gas, forms the gas flow being opened and closed based on the valve cell.
9. the exhaust gas recirculation valve device of cam structure as claimed in claim 8, it is characterised in that
The valve shell also includes being used to cover the lid of the engine insertion section of the engine insert portion opening side, described
Engine insertion section lid to the inside of the engine insertion section by inserting the engine, the engine of the engine
Axle runs through and protruded after the axle through hole of second shaft supporting part, is combined with the opening side of the engine insertion section (15)
And close the inside of the engine insertion section.
10. the exhaust gas recirculation valve device of cam structure as claimed in claim 8, it is characterised in that
The width of first shaft supporting part be less than second shaft supporting part width, the valve shell also include respectively with institute
State the portion integral connection of the first shaft supporting part and second shaft supporting part and there is concave shape so that top and the fortune
The first connection frame and the second connection frame that rotating disk portion is separated by.
11. the exhaust gas recirculation valve device of cam structure as claimed in claim 8, it is characterised in that
There is the chassis trunk protrusion between first shaft supporting part and second shaft supporting part to be formed and be formed
There is the spring lower support of shifting axle through hole, the periphery of the spring lower support is formed with the circle
Groove, the bottom of the spring is inserted and is arranged in the circular trough, and the top of the valve shifting axle, which has, supports described
The spring upper support of the upper end side of spring.
12. the exhaust gas recirculation valve device of cam structure as claimed in claim 11, it is characterised in that
There is axle moved in the shifting axle through hole in guiding sleeve, the axle movement guiding sleeve and be through with the valve movement
The rectilinear movement up and down of axle and the guiding valve shifting axle.
13. the exhaust gas recirculation valve device of cam structure as claimed in claim 12, it is characterised in that
The axle movement guiding sleeve is located in the shifting axle through hole, and has above-below direction in the shifting axle through hole
Multiple axle movement guiding sleeves of isolation.
14. the exhaust gas recirculation valve device of cam structure as claimed in claim 8, it is characterised in that
Any side has thin to the moving direction of the valve cell in first shaft supporting part and second shaft supporting part
Also include the magnetic moved together with valve cell connection simultaneously the mobile guiding groove formed, the mobile guiding groove longly in
Body；And the hall sensor of the position of the sensing magnetic.
15. the exhaust gas recirculation valve device of cam structure as claimed in claim 8, it is characterised in that
The runner trunk has the gas flow that flows into and discharge discharge gas and positioned at the valve disc and can be opened and closed
Have the discharge gas of the inflow entrance inflow from the gas flow in the outlet of the gas flow, the gas flow
It is oriented to the inclined wall of the outlet of the gas flow.
16. the exhaust gas recirculation valve device of cam structure as claimed in claim 8, it is characterised in that
The valve rotation section also includes being used to limit the rotation brake portion of the rotation in the engaged gear portion in setting range.
17. the exhaust gas recirculation valve device of cam structure as claimed in claim 16, it is characterised in that
The side in the engaged gear portion have circular arc brake apparatus groove or brake apparatus hole to limit the operating tooth
The radius of turn of wheel portion, the rotation brake portion is included in any one in first shaft supporting part and second shaft supporting part
The brake apparatus pin that side is protruded and inserted into the brake apparatus groove or the brake apparatus hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610028247.3A CN106979102A (en) | 2016-01-15 | 2016-01-15 | The exhaust gas recirculation valve device of cam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610028247.3A CN106979102A (en) | 2016-01-15 | 2016-01-15 | The exhaust gas recirculation valve device of cam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106979102A true CN106979102A (en) | 2017-07-25 |
Family
ID=59340150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610028247.3A Pending CN106979102A (en) | 2016-01-15 | 2016-01-15 | The exhaust gas recirculation valve device of cam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979102A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519729A (en) * | 2021-01-13 | 2021-03-19 | 上海驰尼汽车用品有限公司 | Electric vehicle device for deflation of rear tire during emergency braking |
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| KR950009405Y1 (en) * | 1993-03-11 | 1995-10-25 | 홍기용 | Valve control device with clampers |
| EP1126156A2 (en) * | 2000-02-18 | 2001-08-22 | BorgWarner Inc. | Improved exhaust gas recirculation system for an internal combustion engine having an integrated valve position sensor |
| KR20060029846A (en) * | 2004-10-04 | 2006-04-07 | 캄텍주식회사 | Opening and closing structure of vehicle exhaust gas recirculation valve |
| CN101861486A (en) * | 2007-11-16 | 2010-10-13 | 博世马勒涡轮系统有限两合公司 | Servo Drives for Bidirectional Actuators |
| CN203466678U (en) * | 2013-09-10 | 2014-03-05 | 大陆汽车电子(芜湖)有限公司 | Linear drive device, connector and exhaust gas recirculation control valve |
| CN103629017A (en) * | 2012-08-22 | 2014-03-12 | 株式会社电装 | Exhaust control valve device for internal combustion engine |
| CN104234878A (en) * | 2014-09-23 | 2014-12-24 | 潍坊力创电子科技有限公司 | EGR (Exhaust Gas Recirculation) valve driven by motor |
| CN104455672A (en) * | 2013-09-18 | 2015-03-25 | 博格华纳公司 | Actuator and valve arrangement |
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- 2016-01-15 CN CN201610028247.3A patent/CN106979102A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR950009405Y1 (en) * | 1993-03-11 | 1995-10-25 | 홍기용 | Valve control device with clampers |
| EP1126156A2 (en) * | 2000-02-18 | 2001-08-22 | BorgWarner Inc. | Improved exhaust gas recirculation system for an internal combustion engine having an integrated valve position sensor |
| KR20060029846A (en) * | 2004-10-04 | 2006-04-07 | 캄텍주식회사 | Opening and closing structure of vehicle exhaust gas recirculation valve |
| CN101861486A (en) * | 2007-11-16 | 2010-10-13 | 博世马勒涡轮系统有限两合公司 | Servo Drives for Bidirectional Actuators |
| CN103629017A (en) * | 2012-08-22 | 2014-03-12 | 株式会社电装 | Exhaust control valve device for internal combustion engine |
| CN203466678U (en) * | 2013-09-10 | 2014-03-05 | 大陆汽车电子(芜湖)有限公司 | Linear drive device, connector and exhaust gas recirculation control valve |
| CN104455672A (en) * | 2013-09-18 | 2015-03-25 | 博格华纳公司 | Actuator and valve arrangement |
| CN104234878A (en) * | 2014-09-23 | 2014-12-24 | 潍坊力创电子科技有限公司 | EGR (Exhaust Gas Recirculation) valve driven by motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519729A (en) * | 2021-01-13 | 2021-03-19 | 上海驰尼汽车用品有限公司 | Electric vehicle device for deflation of rear tire during emergency braking |
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