CN209040909U - A kind of valve Biodge device that electromagnetic type can collapse - Google Patents
A kind of valve Biodge device that electromagnetic type can collapse Download PDFInfo
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- CN209040909U CN209040909U CN201821762949.5U CN201821762949U CN209040909U CN 209040909 U CN209040909 U CN 209040909U CN 201821762949 U CN201821762949 U CN 201821762949U CN 209040909 U CN209040909 U CN 209040909U
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Abstract
A kind of valve Biodge device that electromagnetic type can collapse.It is characterized by: air valve bridge is equipped with mounting hole, retaining ring, mandril, plunger, elastic component, lower retaining ring are successively installed in mounting hole from top to bottom, inner wall of the hole installing is formed with annular stop boss, and annular stop boss inner wall is equipped with sliding slot, mandril top is pierced by retaining ring, and lower part and retaining ring cooperate；Plunger outer ring is formed with the protrusion being adapted to sliding slot；Elastic component can drive plunger to act upwards；The solenoid shaft and plunger of solenoid valve circumferentially limit and axial sliding cooperates；Solenoid valve can drive plunger to rotate, the first position that there is protrusion to be located at annular stop boss upper end and lock with annular stop boss axial limiting for plunger, and the protrusion second position corresponding with sliding slot.It the advantage is that the reliability for improving air valve bridge switching using solenoid-driven, improve switch speed and changeable working range.
Description
Technical field
The utility model relates to engine valve actuating mechanism, the valve Biodge device that can be collapsed more particularly to electromagnetic type.
Background technique
Engine is arranged for overhead camshaft, Four valve, in typical air distribution structure, air valve bridge is mounted on two
Inlet valve or exhaust valve top when engine operation, with the rotation of camshaft, drive rocker arm rotate around rocker arm shaft, rocker arm leads to
It crosses air valve bridge while driving two valve openings.
Have multiple utility model patents at present and be related to the application of technique, patent CN201610709066.7 is Weihe River bavin
A kind of air valve bridge and the engine including the air valve bridge of power limited liability company application, air valve bridge disclosed in the utility model
Including air valve bridge ontology, air valve bridge ontology is equipped with main piston chamber, executes pin installation cavity, is set to the intracavitary main work of main piston
Plug and the execution pin being arranged in execution pin installation cavity；Air valve bridge ontology is equipped with first to be connected with main piston chamber and lets out
Oil duct executes internal the second draining road for being equipped with one end and being connected with the oil back chamber of engine of pin.Patent
CN201710470583.8 is the valve axle assemble and valve actuating mechanism assembly of Eaton S.R.L.'s application, this is practical new
Type discloses a kind of valve axle assemble for valve actuating mechanism assembly, and the valve axle assemble includes: air valve bridge；Close to the gas
The first cavity that the first end of the raft of pontoons is formed；It is placed in first cavity and is adjusted with the hydraulic lash for engaging the first valve stem
Device, wherein the hydraulic lash adjuster includes the first contact surface for engaging first valve stem, wherein described first
Contact surface is curved.Patent CN201510411943.8 is locking with wedge for Jacobs Vehicle Systems Inc.'s application
The idle running valve-driving system of element, air valve bridge disclosed in the utility model include outer plunger, blanking cover, and internal piston is internal
Plunger spring, outer plunger spring etc., hydraulic oil optionally passes through solenoid valve and is supplied to oil circuit in outer plunger, in driving
Portion's ram compression internal piston spring moves downward, and reaches not lock state, cancels main exhaust rocker arm movement.
Air valve bridge patent described above is all the medium using engine motor oil as part movement rule in transmitting air valve bridge,
The characteristics of motion of part is largely dependent upon some characteristics of machine oil, such as when oil temperature is too low, when engine oil viscosity is excessively high,
It will affect the normal work of part in air valve bridge.
Utility model content
In order to overcome the shortcomings of background technique, the utility model provides a kind of valve Biodge device that electromagnetic type can collapse.
Technical solution adopted by the utility model: the valve Biodge device that a kind of electromagnetic type can collapse, including air valve bridge, on
Retaining ring, mandril, plunger, lower retaining ring, spring, solenoid valve；
The air valve bridge is equipped with mounting hole, and the inner wall of the hole installing is formed with annular stop boss, the annular stop
Boss inner wall is equipped with several sliding slots along the setting of mounting hole axial direction；
The upper retaining ring is fixedly mounted on the upper end of mounting hole；
The mandril is arranged in mounting hole, and upper part is pierced by retaining ring, and its underpart and retaining ring axial limiting cooperate；
The plunger is arranged in mounting hole, and the plunger passes through annular stop boss inner ring, and is located at the lower section of mandril,
The plunger outer ring is formed with the protrusion being adapted to sliding slot；
The lower retaining ring is fixedly mounted on the lower end of mounting hole；
The lower retaining ring is fixedly mounted on the lower end of mounting hole；
The solenoid valve is equipped with solenoid shaft, and the solenoid shaft enters in mounting hole across lower retaining ring and matches with plunger
It closes, the solenoid shaft cooperates with the limit of plunger circumferential direction and axial sliding；
The solenoid valve can drive plunger to rotate, the plunger have protrusion be located at annular stop boss upper end and with annular
The locked first position of positive stop lug boss axial limiting, and the protrusion second position corresponding with sliding slot.
Washer is equipped between the mandril and plunger, the washer includes washer rack, needle roller, and circumferential direction is equal on the washer rack
Several washer rack axis of cloth, the needle roller are mounted on washer rack axis, the lower surface of the mandril and the upper surface of plunger and needle roller
It is engaged.
The plunger base is extended with spring stack, and the elastic component uses spring, and the elastic component is set in outside spring stack,
And elastic component both ends offset with plunger, lower retaining ring respectively.
The spring stack center is equipped with centre bore compatible with solenoid shaft, and the centre bore side wall is at least formed with one
A elongated sliding slot being axially arranged；
The solenoid shaft is inserted into centre bore and centre hole axis and cooperates to sliding, is additionally provided in the solenoid shaft and length
The compatible solenoid pin of shape sliding slot.
The upper retaining ring is fixedly connected by multiple pins or bolt with air valve bridge.
The lower retaining ring includes spring base, circlip；Inner wall of the mounting hole close to lower end is formed with annular slot, described
In annular slot, the spring base is placed on circlip circlip inlay card, is offseted with spring.
The mandril is in " convex " font structure.
When plunger is in first position, protrusion is locked with annular stop boss axial limiting, prevent plunger is from gas
Axial movement in raft of pontoons mounting hole, at this point, main lift cams and ejector pin contact, it is downward to will push air valve bridge, so that valve is opened,
Main lift cams work normally.
When plunger is in the second position, protrusion is corresponding with sliding slot, enables plunger in air valve bridge mounting hole inner shaft
To movement, at this point, main lift cams and ejector pin contact, it will push mandril, clog and collapse downwards, air valve bridge will not open downwards gas
Door, valve remain static, and main lift cams do not work.
The beneficial effects of the utility model are: controlling using above scheme using solenoid-driven, valve is substantially increased
The reliability of bridge switching, improves switch speed and changeable working range.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the valve Biodge device that the utility model embodiment electromagnetic type can collapse.
Fig. 2 is the cross-sectional view when valve Biodge device that the utility model embodiment electromagnetic type can collapse is in first position.
Fig. 3 is the cross-sectional view when valve Biodge device that the utility model embodiment electromagnetic type can collapse is in the second position.
Fig. 4 is the explosive decomposition figure for the valve Biodge device that the utility model embodiment electromagnetic type can collapse.
Fig. 5 is the cross-sectional view of the utility model embodiment air valve bridge.
Fig. 6 is the perspective view of the utility model embodiment air valve bridge.
Fig. 7 is the structural schematic diagram of the utility model embodiment washer.
Fig. 8 is the structural schematic diagram of the utility model embodiment washer rack.
Fig. 9 is the positive structure diagram of the utility model embodiment plunger.
Figure 10 is the overlooking structure diagram of the utility model embodiment plunger.
Figure 11 is the structural schematic diagram of the utility model embodiment solenoid valve.
Figure 12 is the structural schematic diagram of the utility model embodiment solenoid valve and plunger cooperation.
Specific embodiment
The utility model embodiment is described further with reference to the accompanying drawing:
As shown, the valve Biodge device that a kind of electromagnetic type can collapse, including air valve bridge 1, upper retaining ring 2, mandril 3, plunger
4, lower retaining ring 5, elastic component 6, solenoid valve 7, washer 8.
1 both ends of air valve bridge are provided with valve mounting surface 15, and are horizontally set with by valve mounting surface 15 in two valves 9
Apical position is provided with mounting hole 11 in the middle part of the air valve bridge 1, successively installed from top to bottom in the mounting hole 11 retaining ring 2,
Mandril 3, washer 8, plunger 4, elastic component 6, lower retaining ring 5.
11 inner wall of mounting hole is formed with annular stop boss 12, and 12 inner wall of annular stop boss is equipped with several
Along the sliding slot 13 of 11 axial direction of mounting hole setting, inner wall of the mounting hole 11 close to lower end is then formed with annular slot 14.
The upper retaining ring 2 is fixedly mounted on the upper end of mounting hole 11, and mounting means can use multiple pins or bolt
It is directly anchored to the upper surface of air valve bridge 1, is installed very convenient.
The mandril 3 is located at the top of annular stop boss 12, cooperates with the axial sliding of mounting hole 11, the mandril 3 is whole
Body is in " convex " font structure, and end part can be pierced by retaining ring 2 thereon, and end portion then cooperates with 2 axial limiting of retaining ring.
The washer 8 is located at the top of annular stop boss 12, including washer rack 81, needle roller 82, the washer rack 81 with
The axial sliding of mounting hole 11 cooperates, and also circumferential uniformly distributed several washer rack axis 83, the needle roller 82 are mounted on the washer rack 81
On washer rack axis 83, the lower surface of the needle roller 82 and the mandril 3 be engaged.
The plunger 4 passes through 12 inner ring of annular stop boss, slides and cooperates with 12 inner ring of annular stop boss, the plunger
4 outer rings upper end are formed with the protrusion 41 being adapted to sliding slot 13, and 4 bottom of plunger is extended with spring stack 42, the spring stack 42
Center is equipped with centre bore 43, and 43 side wall of centre bore is correspondingly formed the elongated sliding slot 44 being axially arranged, the plunger 4
Upper surface be engaged with needle roller 82.
Wherein, the plunger 4 has protrusion 41 positioned at 12 upper end of annular stop boss and axial with annular stop boss 12
The locked first position of limit, and raised 41 second positions corresponding with sliding slot 13.
The lower retaining ring 5 includes spring base 51, circlip 52, and 5 inlay card of circlip is installed very square in annular slot 14
Just, the spring base 51 is placed on circlip 5, for cooperating with elastic component 6.
The elastic component 6 uses spring, and is set in outside spring stack 42, both ends respectively with plunger 4,51 phase of spring base
It supports, so that plunger 4, washer 8, mandril 3 remain contact.
The solenoid valve 7 can be then arranged on the components of some fixations such as engine cylinder cover or camshaft-bearing cap,
The solenoid valve 7 is equipped with solenoid shaft 71, is additionally provided with solenoid pin 72 in the solenoid shaft 71, solenoid shaft 71 protrudes into plunger
In 4 centre bore 43, while solenoid pin 72 protrudes into elongated sliding slot 44, so that energy between solenoid shaft 71 and plunger 4
Enough axially opposing slidings, and circumferential limit cooperation.
The solenoid valve 7 can drive plunger 4 to rotate, and plunger 4 is realized between first position and the second position by rotation
Switching, at first position, the protrusion 41 of plunger 4 and 12 upper end of annular stop boss cooperate, peace of the plunger 4 in air valve bridge 1
Dress cannot move axially in hole 11, and main lift cams work normally at this time, at the second position, the protrusion 41 and sliding slot of plunger 4
13 is corresponding, can slide into sliding slot 13, plunger 4 can axially move in the mounting hole 11 of air valve bridge 1, and main lift cams do not act as
With, controlled using solenoid-driven, substantially increase air valve bridge switching reliability, improve switch speed and changeable work
Make range.
Washer 8 is set between mandril 3 and plunger 4, the rotation of plunger 4 can be greatly reduced by the needle roller 82 on washer 8
When the frictional force that generates, not only reduce abrasion, improve service life, but also rotate and easily stablize, guarantee operating accuracy.
The structure of spring stack 42 is set, better and more conveniently elastic component 6 can be installed, reduces bending deformation, mentions
High resiliency part service life.
In addition, the fit system of spline can also be used between solenoid shaft 71 and spring stack 42.
The desirable valve stroke that disappears of the valve Biodge device that above-mentioned electromagnetic type can collapse, can be used for realizing cylinder deactivation and two cycle engines
Mechanism is dynamic, will be described in detail the course of work for the valve Biodge device that assembly electromagnetic type can collapse below.
As Figure 2-3, when engine work, the valve Biodge device that electromagnetic type can collapse does not work, at this point, plunger
4 are in first position, and the protrusion 41 of plunger 4 and 12 upper end of annular stop boss cooperate, mounting hole 11 of the plunger 4 in air valve bridge 1
Interior to move axially, Crankshaft motion drives camshaft rotation, and the actuated by cams rocker arm on camshaft rotates around rocker arm shaft, passes through
Air valve bridge, while two valves 9 of open and close, to realize air inlet or exhaust stroke.
When auxiliary cam being needed to work, the valve Biodge device work that electromagnetic type can collapse, solenoid valve 7 is opened, solenoid shaft
71 rotations, solenoid pin 72 drives 4 synchronous rotary of plunger by elongated sliding slot 44, after rotating by a certain angle, so that plunger 4 is in
The protrusion 41 of the second position, plunger 4 is corresponding with sliding slot 13, can slide into sliding slot 13, the energy in the mounting hole 11 of air valve bridge 1 of plunger 4
It axially moves, the actuated by cams rocker arm on camshaft is rotated around rocker arm shaft, and image angle can drive mandril 3 to move downward, mandril 3
Retaining ring 8 and plunger 4 is pushed to move downwardly together, the elongated sliding slot 44 of compressed spring 6, plunger 4 is transported downwards along solenoid pin 72
Dynamic, main valve lift does not work, and main lift cams do not work, at this point, two valves 9 are in static state.
When needing engine work, the valve Biodge device that electromagnetic type can collapse works again, and solenoid valve 7 is opened,
Solenoid shaft 71 rotates, and solenoid pin 72 drives 4 synchronous rotary of plunger by elongated sliding slot 44, after rotating by a certain angle, so that
Plunger 4 is in first position, and the protrusion 41 of plunger 4 and 12 upper end of annular stop boss cooperate, installation of the plunger 4 in air valve bridge 1
It cannot be moved axially in hole 11.
Embodiment is not construed as the limitation to utility model, but any spiritual improvements introduced based on the utility model,
It should all be within the protection scope of the utility model.
Claims (7)
1. the valve Biodge device that a kind of electromagnetic type can collapse, it is characterised in that: including air valve bridge (1), upper retaining ring (2), mandril
(3), plunger (4), lower retaining ring (5), elastic component (6), solenoid valve (7)；
The air valve bridge (1) is equipped with mounting hole (11), and mounting hole (11) inner wall is formed with annular stop boss (12), institute
It states annular stop boss (12) inner wall and is equipped with several sliding slots (13) along the setting of mounting hole (11) axial direction；
The upper retaining ring (2) is fixedly mounted on the upper end of mounting hole (11)；
Mandril (3) setting is in mounting hole (11), and upper part is pierced by retaining ring (2), and its underpart is matched with retaining ring (2) axial limiting
It closes；
In mounting hole (11), the plunger (4) passes through annular stop boss (12) inner ring, and is located at for plunger (4) setting
The lower section of mandril (3), plunger (4) outer ring are formed with the protrusion (41) being adapted to sliding slot (13)；
The lower retaining ring (5) is fixedly mounted on the lower end of mounting hole (11)；
Elastic component (6) setting can drive plunger (4) to act upwards in mounting hole (11)；
The solenoid valve (7) is equipped with solenoid shaft (71), and the solenoid shaft (71) passes through lower retaining ring (5) and enters mounting hole (11)
Interior to match with plunger (4), the solenoid shaft (71) and plunger (4) circumferentially limit and axially slide and cooperate；
The solenoid valve (7) can drive plunger (4) to rotate, and there are the plunger (4) raised (41) to be located at annular stop boss
(12) the upper end and first position locked with annular stop boss (12) axial limiting, and raised (41) are corresponding with sliding slot (13)
The second position.
2. the valve Biodge device that electromagnetic type according to claim 1 can collapse, it is characterised in that: the mandril (3) and column
It fills in and is equipped with washer (8) between (4), the washer (8) includes washer rack (81), needle roller (82), circumferential direction on the washer rack (81)
Uniformly distributed several washer rack axis (83), the needle roller (82) are mounted on washer rack axis (83), the lower surface of the mandril (3) and column
The upper surface of plug (4) is engaged with needle roller (82).
3. the valve Biodge device that electromagnetic type according to claim 1 can collapse, it is characterised in that: plunger (4) bottom
It is extended with spring stack (42), the elastic component uses spring, and the elastic component (6) is set in spring stack (42) outside, and elastic component
(6) both ends offset with plunger (4), lower retaining ring (5) respectively.
4. the valve Biodge device that electromagnetic type according to claim 3 can collapse, it is characterised in that: in the spring stack (42)
The heart is equipped with compatible centre bore (43), centre bore (43) side wall are set at least formed with an axial direction with solenoid shaft (71)
The elongated sliding slot (44) set；
The solenoid shaft (71) is inserted into centre bore (43) and centre bore (43), and axially sliding cooperates, the solenoid shaft (71)
On be additionally provided with the compatible solenoid pin (72) with elongated sliding slot (44).
5. the valve Biodge device that electromagnetic type according to claim 1 can collapse, it is characterised in that: the upper retaining ring (2) is logical
Multiple pins or bolt is crossed to be fixedly connected with air valve bridge (1).
6. the valve Biodge device that electromagnetic type according to claim 3 can collapse, it is characterised in that: lower retaining ring (5) packet
Include spring base (51), circlip (52)；Inner wall of the mounting hole (11) close to lower end is formed with annular slot (14), the circlip
(52) in annular slot (14), the spring base (51) is placed on circlip (52) inlay card, offsets with elastic component (6).
7. the valve Biodge device that electromagnetic type according to claim 1 can collapse, it is characterised in that: the mandril (3) is in
" convex " font structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762949.5U CN209040909U (en) | 2018-10-30 | 2018-10-30 | A kind of valve Biodge device that electromagnetic type can collapse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762949.5U CN209040909U (en) | 2018-10-30 | 2018-10-30 | A kind of valve Biodge device that electromagnetic type can collapse |
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| Publication Number | Publication Date |
|---|---|
| CN209040909U true CN209040909U (en) | 2019-06-28 |
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ID=67039153
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821762949.5U Active CN209040909U (en) | 2018-10-30 | 2018-10-30 | A kind of valve Biodge device that electromagnetic type can collapse |
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| Country | Link |
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| CN (1) | CN209040909U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184844A (en) * | 2018-10-30 | 2019-01-11 | 浙江黎明发动机零部件有限公司 | A kind of valve Biodge device that electromagnetic type can collapse |
| CN112065526A (en) * | 2020-09-11 | 2020-12-11 | 潍柴动力股份有限公司 | Valve bridge, cylinder deactivation device and engine |
-
2018
- 2018-10-30 CN CN201821762949.5U patent/CN209040909U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184844A (en) * | 2018-10-30 | 2019-01-11 | 浙江黎明发动机零部件有限公司 | A kind of valve Biodge device that electromagnetic type can collapse |
| CN109184844B (en) * | 2018-10-30 | 2024-03-01 | 浙江黎明智造股份有限公司 | Electromagnetic collapsible valve bridge device |
| CN112065526A (en) * | 2020-09-11 | 2020-12-11 | 潍柴动力股份有限公司 | Valve bridge, cylinder deactivation device and engine |
| CN112065526B (en) * | 2020-09-11 | 2022-04-05 | 潍柴动力股份有限公司 | Valve bridge, cylinder deactivation device and engine |
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