CN205895738U - Microminiature 2D electromagnetic switch valve that hydraulic pressure resets - Google Patents
Microminiature 2D electromagnetic switch valve that hydraulic pressure resets Download PDFInfo
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- CN205895738U CN205895738U CN201620762441.XU CN201620762441U CN205895738U CN 205895738 U CN205895738 U CN 205895738U CN 201620762441 U CN201620762441 U CN 201620762441U CN 205895738 U CN205895738 U CN 205895738U
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Abstract
The utility model provides a microminiature 2D electromagnetic switch valve that hydraulic pressure resets, the case rotationally sets up in the valve body, the entry end in high pressure hole communicates with the passageway in the case, the entry end and the oil gallery intercommunication of trough, the exit end and the sensitive chamber intercommunication of straight flute, the entry end of straight flute is located the movement track of high -pressure hole exit end and the movement track of trough exit end, the fixed cover of the left end of framework is established on the case, and the center pin of framework right -hand member runs through support and connecting plate in proper order, and in opening and slidable ground that the right -hand member of case is airtight to pass pressurize piece left end set up briquetting in insurance validity, the right -hand member opening of pressurize piece was through a ball sealing, and the high pressure chest feeds through with passageway in the case, the cover is equipped with zero -bit reset spring on the pressurize piece, mechanical transmission mechanism includes driving lever and lower shift fork, and the shifting block of going up the driving lever lower half is the ellipse, and first one of lower shift fork is the ascending U -shaped of an opening fork, and a pot head of horizon bar is equipped with driving lever reset spring.
Description
Technical field
This utility model is related to a kind of switch valve, the microminiature 2d electromagnetic switch valve that more particularly, to a kind of hydraulic pressure resets.
Background technology
In recent years, using the two-dimentional electro hydraulic on-off valve of servo screw mechanism principle work, there is valve element radial rotating and axial direction
The double freedom of movement, control flexibly, high precision, frequency response is fast, low-hysteresis, leakage rate are little, advantages of simple structure and simple, at present mainly
It is used in Aero-Space, under the military field such as guided missile and mostly extreme environment.
But, using the concentric structure of two-stage, existing two dimension (2d) hydraulic valve all to ensure that valve element is subject to enough driving
Power, this also leads to two dimension (2d) hydraulic valve of this structure to be difficult to realize miniaturization.
In order to meet the requirement to its light weight and small volume for the airborne equipment, Hydraulic Elements still have during miniaturization
Following problem fails to solve: 1, the miniaturization of electro hydraulic on-off valve will certainly reduce the size of electromechanical converter, thus leading to drive
The not enough problem of power/forces square；2nd, the miniaturization of electro hydraulic on-off valve will certainly lead to valve core reseting spring to diminish, thus leading to back
Multiple hypodynamic problem；3rd, the two-stage concentric problem that valve element, valve body, concentric ring occur when installing.
Content of the invention
In order to overcome hydraulic valve miniaturization that electromechanical converter driving force deficiency, back-moving spring restoring force can be caused little
Problem, and the airborne equipment demand fast to hydraulic component strong antijamming capability, light weight, small volume, response, this reality can be met
With a kind of concentric airborne microminiature two dimension electro hydraulic on-off valve of no two-stage of new offer.
The technical solution of the utility model is:
The microminiature 2d electromagnetic switch valve that a kind of hydraulic pressure resets, including the valve body positioned at left side and the connection positioned at right side
Plate, drives the mechanical transmission mechanism of valve core rotation to be arranged on the right flank of connecting plate；
Valve element is rotatably arranged in valve body, and valve element is sequentially provided with first shoulder, the second shoulder from left to right and is used for
3rd shoulder of sealing oil-out, the left end cap of valve body and first shoulder are by airtight for body cavity enclosure cyclization table in left end cap
Airtight for body cavity enclosure cyclization is entered by the annular sensitive cavity of the projection on face, the second shoulder and the 3rd shoulder around the annular of valve element
Oil pocket, oil-out is located on the movement locus of the 3rd shoulder；
Oil suction chamber is connected with the oil-in on valve body, is provided with passage, the passage in oil suction chamber and valve element in valve element vertically
By the connection of radial direction oil through on valve element, first shoulder has a pair axisymmetric pressure hole and a pair axisymmetric
Trough, and pressure hole and trough be arranged alternately, the channel connection in the arrival end of pressure hole and valve element, the entrance of trough
End is connected with spill port；A pair axisymmetric straight trough is provided with the inwall of valve body, the port of export of straight trough is with sensitive cavity even vertically
Logical, the arrival end of straight trough is located on the movement locus of the pressure hole port of export and the movement locus of the trough port of export；
Valve body and connecting plate are coaxially connected by support, and one end of support is fixed in valve body, and the other end is fixed on connection
In plate, the interior intracavity of support is rotationally provided with framework, and the left end fixation of described framework is set on valve element, described framework right-hand member
Central shaft sequentially pass through support and connecting plate；It is coaxially provided with the pressurize block of tubular, the right-hand member of valve element is airtight to be worn in described framework
Cross the opening of pressurize block left end and be slidably disposed in pressurize block, the right-end openings of described pressurize block are close by the first spheroid
Envelope, the right side of valve element and the first spheroid enclose high pressure chest by airtight for pressurize block inner chamber, logical in described high pressure chest and valve element
Road connects；
Zero reset spring is arranged with described pressurize block, one end of zero reset spring is conflicted on the inwall of framework,
The other end is conflicted on the step surface of pressurize block right-hand member；
Described mechanical transmission mechanism includes directly on top upper driving lever and lower shift fork located directly below, upper driving lever lower half
The shifting block ovalize in portion, the first half of lower shift fork is the u shape fork of opening upwards, and the shifting block of upper driving lever is plugged in the u of lower shift fork
In shape fork, the rotary shaft of rotating machinery is fixedly connected with upper driving lever, to drive upper driving lever to drive lower shift fork to rotate, and lower shift fork
Bottom is fixedly connected with the central shaft of framework right-hand member, to carry movable valve plug synchronous axial system；The top of upper driving lever is slidably disposed in
On horizon bar, and one end of horizon bar is arranged with and tilts to be pushed against the upper driving lever back-moving spring in lower shift fork by upper driving lever.
Further, it is provided with described framework, from outside, the first spheroid is pushed against the support block pressurize block, described support
The two ends of block pass through framework and are fixed on support.
Further, described projection is provided with the second spheroid, and described second spheroid is inconsistent with the left side of first shoulder.
Further, described rotating machinery is rotary magnet.
Further, it is provided with high-pressure trough at the port of export of described pressure hole, pressure hole is connected with straight trough by high-pressure trough, and low
The distance between indent and high-pressure trough are equal with the width of straight trough.
Further, upper driving lever back-moving spring is pushed against on upper driving lever by pad, and described pad is slidably disposed on institute
State on horizon bar.
Further, described rotary magnet is arranged on the top of valve body, and is furnished with protective cover.
Further, described upper driving lever is clamped on the output shaft of rotary magnet by the first trip bolt, described sets aside
Fork is clamped on the central shaft of framework by the second trip bolt.
In order that this utility model has small volume, light weight, responds fast characteristic, except ensureing electromechanical conversion
Device has outside enough driving moments, also requires drive mechanism to play the role of to amplify driving moment.Machine driving of the present utility model
Mechanism can make valve element obtain infinitely-great driving moment when starting working, therewith, gear ratio between upper driving lever and lower shift fork by
Infinitely great quick reduce, corresponding valve element rotating speed by infinitely small quick increase, therefore can when valve element has just started to rotate,
There is provided infinitely-great driving moment to overcome hydraulic card clamping force for valve element, and back valve core quick rotation is to target location.This machinery
Drive mechanism may be equally applied to the electro-hydraulic high-speed switch valve of 3-position 4-way 2d.
The second spheroid on left end cap constitutes point with valve element left end and contacts；First spheroid of pressurize block right-hand member welding and support
Block constitutes point contact, all can reduce frictional force it is ensured that valve element is only acted on by hydraulic card clamping force when rotating, substantially increase it
Response speed.
1) miniaturization for electro hydraulic on-off valve will certainly reduce the size of electromechanical converter, thus lead to driving force/
The not enough problem of moment；
This utility model adopts variable ratio drive mechanism, makes initial drive force square infinitely great, to overcome valve element just to start
The hydraulic card clamping force existing during rotation.
2) valve core reseting spring will certainly be led to diminish for the miniaturization of electro hydraulic on-off valve, thus leading to restoring force not enough
Problem；
This utility model adopts hydraulic pressure resetting-mechanism, and high pressure intracavity of the present utility model is full of hydraulic oil all the time, when leading to oil,
The reset of valve element is driven by hydraulic oil.
3) the two-stage concentric problem that valve element, valve body, concentric ring are occurred when installing.
This utility model using concentric ring mechanism, does not constitute into high pressure chest, pressurize block using pressurize block with valve element cooperation
Only with valve element cooperation, required precision is relatively low, is more convenient.
The beneficial effects of the utility model are:
1st, small volume, light weight, structure is simple；
2nd, connected mode is that tubular type connects, and it is more flexible that three pipe joints stretching out make it install；
3rd, strong antijamming capability, adapts to the complex working conditions such as Aero-Space；
4th, valve element two ends are that point contacts with valve body contact mode, reduce valve core rotation damping；
5th, adopt the mechanical transmission mechanism of variable ratio, effectively amplify the driving moment of valve element, to overcome valve element just initiating
Hydraulic card clamping force when making, reduces the input torque to electromechanical converter simultaneously and requires；
6th, hydraulic coupling is adopted to drive valve element to slide, hydraulic coupling drives valve core reset, and driving force is big, and frequency response is high；
7th, do not need the concentric structure of two-stage, eliminate in conventional 2d valve as meeting the processing that two-stage requires with one heart and increases
Difficulty；
8th, contamination resistance is strong, low to oil filtrating required precision.
Brief description
Fig. 1 is principle schematic diagram. of the present utility model.
Fig. 2 is the structural representation of valve element.
Fig. 3 is sectional view of the present utility model.
Fig. 4 is partial sectional view of the present utility model.
Fig. 5 is valve element and valve body cooperation schematic diagram.
Fig. 6 is for e-e in Fig. 5 to sectional view
Fig. 7 is drive mechanism structural representation.
Specific embodiment
As illustrated, the microminiature 2d electromagnetic switch valve that a kind of hydraulic pressure resets, including the valve body 22 positioned at left side be located at
The connecting plate 1 on right side, drives the mechanical transmission mechanism that valve element 21 rotates to be arranged on the right flank of connecting plate 1；
Valve element 21 is rotatably arranged in valve body 22, and valve element 21 is sequentially provided with first shoulder 211, second from left to right
Shoulder 212 and for sealing the 3rd shoulder 213 of oil-out a, the left end cap 26 of valve body 21 and first shoulder 211 are by body cavity gas
The annular sensitive cavity of projection on left end interior surface for the close enclosure cyclization, the second shoulder 212 and the 3rd shoulder 213 are by valve body
, around the annular oil suction chamber of valve element 21, oil-out position a is on the movement locus of the 3rd shoulder 213 for chamber airtight enclosure cyclization；
Oil suction chamber is connected with the oil-in p on valve body 22, is provided with passage y vertically, in oil suction chamber and valve element in valve element 21
Passage y pass through valve element 21 on radial direction oil through c connection, first shoulder 211 has a pair axisymmetric pressure hole b
With a pair axisymmetric trough a, and pressure hole b and trough a is arranged alternately, in the arrival end of pressure hole b and valve element 21
Passage y connects, and the arrival end of trough a is connected with spill port t；Be provided with vertically on the inwall of valve body 22 a pair axisymmetric straight
Groove f, the port of export of straight trough f is connected with sensitive cavity g, and the arrival end of straight trough f is located at movement locus and the low pressure of the pressure hole b port of export
On the movement locus of the groove a port of export；Sensitive cavity g can be connected with oil suction chamber by straight trough f, pressure hole b, passage y, oil through c, with
Hydraulic oil is inputted into sensitive cavity g；Sensitive cavity g can be connected with oil return opening t by straight trough f, trough a, with to defeated in sensitive cavity g
Enter low pressure oil.
Valve body 22 and connecting plate 1 are coaxially connected by support 19, and one end of support 19 is fixed in valve body 22, and the other end is solid
It is scheduled in connecting plate 1, the interior intracavity of support 19 is rotationally provided with framework 15, and the left end fixation of described framework 15 is set in valve element
On 21, the central shaft of described framework 15 right-hand member sequentially passes through support 19 and connecting plate 1；It is coaxially provided with tubular in described framework 15
Pressurize block 17, the airtight opening through pressurize block 17 left end of right-hand member of valve element 21 and being slidably disposed in pressurize block 17, protect
The right-end openings of briquetting 17 are sealed by the first spheroid 31, and the right side of valve element 21 and the first spheroid 31 are by pressurize block 17 inner chamber gas
Close enclose high pressure chest h, described high pressure chest h is connected with the passage y in valve element 21；
Zero reset spring 18 is arranged with described pressurize block 17, conflict in framework 15 in one end of zero reset spring 18
On inwall, the other end is conflicted on the step surface of pressurize block 15 right-hand member；
Described mechanical transmission mechanism includes directly on top upper driving lever 10 and lower shift fork 12 located directly below, upper driving lever
The shifting block ovalize of 10 lower half, the first half of lower shift fork 12 is the u shape fork of opening upwards, and the shifting block of upper driving lever 10 is plugged in
In the u shape fork of lower shift fork 12, the rotating shaft of rotating machinery is fixedly connected with upper driving lever 10, to drive upper driving lever 10 to drive lower shift fork 12
Rotate, and the bottom of lower shift fork 12 is fixedly connected with the central shaft of framework 15 right-hand member, to carry movable valve plug 21 synchronous axial system；Upper driving lever
10 top is slidably disposed on horizon bar 2, and one end of horizon bar 2 is arranged with to tilt to be pushed against by upper driving lever 10 and sets aside
Upper driving lever back-moving spring 5 in fork 12, upper driving lever 10 is tilted to be pushed against zero-bit state by upper driving lever back-moving spring 5.
It is provided with the support block 16 from outside, the first spheroid 31 being pushed against pressurize block 17, described support in described framework 15
The two ends of block 16 pass through framework 15 and are fixed on support 19.
Described projection is provided with the second spheroid 25, and described second spheroid 25 is inconsistent with the left side of first shoulder 211, the
Two spheroids 25 are that point contacts with first shoulder 211, to reduce frictional resistance when valve element 21 rotates, improve response speed.
It is provided with high-pressure trough, pressure hole b is connected with straight trough f by high-pressure trough, and trough at the port of export of described pressure hole b
The distance between a and high-pressure trough are equal with the width of straight trough f.
Upper driving lever back-moving spring 5 is pushed against on driving lever 10 by pad 4, and described pad 4 is slidably disposed on described
On horizon bar 2.
Described rotary magnet is arranged on the top of valve body 22, and is furnished with protective cover 29.
Described upper driving lever 10 is clamped on the output shaft of rotary magnet 9 by the first trip bolt 8, described lower shift fork 12
It is clamped on the central shaft of framework 15 by the second trip bolt 13.
Oil-in p, oil-out a, oil return opening t are offered on valve body, valve body 22 is connected with high-pressure pump by oil-in p, high
Press pump provides hydraulic oil for valve body 22；Valve body 22 is connected with hydraulic cylinder by oil-out a, to provide high hydraulic pressure to hydraulic cylinder；Valve
Body 22 is connected with fuel tank by oil return opening t, and oil sump tank provides low pressure oil for valve body 22.
Described rotating machinery is rotary magnet 9, and rotary magnet 9 is connected with controller.Controller is to rotating electromagnetic
Ferrum 9 sending action order.Rotary magnet 9, as electromechanical converter of the present utility model, above valve body 22, and leads to
Cross the first screw 30 to be connected with connecting plate 1, protective cover 29 is connected with connecting plate 1 by the second screw 28, lid 11 leads to simultaneously
Cross the 3rd screw 3 to be connected on connecting plate 1, horizon bar support 7 is fixed on connecting plate 1 by the 3rd screw, left end cap 26
It is fixed on valve body 22 by the 4th screw 27.
Support 19 is connected with connecting plate 1 and valve body 22, and rectangle frame 15 is welded on valve element 21, between rectangle frame 15 and valve body
Sealed by the first sealing ring 20, sealed by the second sealing ring 14 between the central shaft of rectangle frame 15 and connecting plate.Support 19
On have mounting groove and move right for constraining support block 16, the support block 16 contacting with pressurize block 17 is by from high pressure chest h's
Hydraulic coupling is delivered on support 19, is provided with zero reset spring 18 on the left of pressurize block 17, to prevent from not being passed through pressure in valve
When rectangle frame 15, support block 16, pressurize block 17 and valve element 21 collect together inside valve body 22.
Valve element 21, valve body 22 and left end cap 26 cooperation composition sensitive cavity g, the circular in cross-section of high-pressure trough and trough a,
To reduce processing technique difficulty.High-pressure trough and trough a are located at the both sides of straight trough f respectively, and between high-pressure trough and trough a
Distance is equal with the width of straight trough f, and one end of straight trough f is communicated with sensitive cavity g, and the other end is connected with high-pressure trough or trough a,
Straight trough f is connected with high-pressure trough or is connected the rotational angle depending on valve element with trough a, and controls the pressure in sensitive cavity g.Valve
In sensitive cavity g, in high pressure chest h, sensitive cavity g and high pressure chest h are to realize switch valve spool corner to the other end for one end of core 21
Dao Kong mechanism with axial straight-line displacement conversion.
When the signal of telecommunication does not access, in the high pressure chest h on valve element 21 right side, hydraulic oil is through oil-in p, logical hydraulic fluid port c, passage
It is high pressure that h enters in high pressure chest h, high pressure chest h；In sensitive cavity g in valve element 21 left side, the straight trough f that connects with sensitive cavity g only with
Trough a connects, and the low pressure oil in fuel tank is passed through in sensitive cavity g through oil return opening t, trough a, straight trough f, is low in sensitive cavity g
Pressure, valve element 21 is moved to the left in the presence of the high pressure chest h inner high voltage hydraulic oil of right side, and the 3rd shoulder slightly moves to left, the 3rd shoulder
213 seal up the left side near oil suction chamber for the oil-out a, i.e. oil-out a blocking, and this utility model is located at zero-bit state, that is, as Fig. 3
Shown state, now, now oil-out a is connected with oil return opening t, and the low pressure oil in hydraulic cylinder is through oil-out a, oil return opening t
Flow back to fuel tank.
During energising, rotary magnet 9 rotates (rotation amplitude of rotary magnet 9 is 21 °), and drives driving lever 10 inverse time
Pin rotates, then go up driving lever 10 and drive lower shift fork 12, framework 15, valve element 13 to rotate clockwise according to this, leads to straight trough f and trough a
Stagger, straight trough f is only connected with high-pressure trough and leads to, hydraulic oil is quick through oil-in p, oil through c, passage y, high-pressure trough, straight trough f inflow
In sense chamber g, sensitive cavity g is interior to be all hydraulic oil with high pressure intracavity, but because the lifting surface area of sensitive cavity g inner spool 21 is more than high pressure chest
The lifting surface area (at first shoulder 211, the cross-sectional area of valve element is larger) of h inner spool 21, valve element 21 be subject to the right make a concerted effort, valve
Core 21 slides to the right under the thrust of sensitive cavity g inner high voltage oil, and the 3rd shoulder 213 slightly moves to right, and the left side of oil-out a is lost
Go to block and connect with oil suction chamber, that is, oil-in p is connected with oil-out a, and the hydraulic oil of oil-feed intracavity is through oil-out a influent
Cylinder pressure or other sub- hydraulic systems.
Conversely, when this utility model is by being energized to power-off, above change procedure is just the opposite.
Therefore, this utility model is the two-stage high-speed switch valve that valve element has double freedoms of motion, and this utility model utilizes
Mechanical transmission mechanism drives valve element to rotate, and realizes pilot valve function, promotes valve element axially in the presence of oil liquid pressure difference
Mobile, realize the high-speed opening and closing characteristic of valve port.
Preferably, when the cross-sectional area of sensitive cavity inner spool is the twice of the cross-sectional area of high pressure chest inner spool, when quick
When sense intracavity is passed through low pressure, valve element is moved to the left under the hydraulic coupling f effect to the left；When sensitive intracavity is passed through high pressure, valve element
Left end is subject to hydraulic coupling 2f to the right, and right-hand member is subject to hydraulic coupling f to the left, and valve element moves right under f effect making a concerted effort to the right.
I.e. valve element is always moved to the left under the active force for f for the size or moves right, so can ensure that valve element be moved to the left and to
The speed moving right is identical.
But frictional force, hydraulic power, greasy dirt and spool valve body machining accuracy etc. all can produce larger in the moment of valve core rotation
Resistance, hydraulic pressure " clamping stagnation " phenomenon easily occurs, in order that this utility model occurs without hydraulic pressure " clamping stagnation " phenomenon, drive mechanism exists
Startup moment must have larger moment.
Drive mechanism of the present utility model can realize torque-variable, and the lower half ovalize of upper driving lever 10, to realize becoming
Gear ratio, the rotation amplitude due to rotary magnet 9 is 21 °, assembles for convenience, and realizes symmetrically setting of upper driving lever 10
Meter, driving lever 10 and 10.5 ° of lower shift fork 12 center of rotation line in initial makeup location (the i.e. zero-bit state) deviation of upper driving lever 10,
Coordinate for linear contact lay between upper driving lever 10 and lower shift fork 12, and upper driving lever 10 intersects at r point and s point, such as respectively with lower shift fork 12
Shown in Fig. 7.Now, the normal of contact point r is just past the center of rotation of upper driving lever 10, according to " Kennedy-Aronhold the-orem ", upper driving lever 10
Overlap with the relative instantaneous center of lower shift fork 12, the instantaneous transmission ratio of drive mechanism is infinity, the sound to upper driving lever 10 for the lower shift fork 12
A shock response should be equivalent to, output torque is very greatly it is sufficient to overcome hydraulic pressure " clamping stagnation " phenomenon.
With the continuation campaign of upper driving lever 10, relative instantaneous center is close to the center of rotation of lower shift fork 12.Can by instantaneous theorem
Know, upper driving lever 10 is the inverse ratio to instantaneous distance for the respective center of rotation with the gear ratio of lower shift fork 12, and therefore gear ratio subtracts therewith
Little, but it is sufficient for required rotating torque after valve element 13 starts.
Compared with existing stable drive ratio drive mechanism, drive mechanism of the present utility model initially will produce no in motion
Big moment thoroughly, to overcome the electro-hydraulic high-speed switch valve of 2d asked by frictional force, hydraulic power, greasy dirt and spool valve body machining accuracy etc.
Hydraulic pressure " clamping stagnation " phenomenon that topic produces to valve element.
For ensure the controller in switch valve in the case of being not powered on or losing efficacy so that valve element 13 remains to be in zero-bit, in water
Upper shift fork back-moving spring 5 is installed on flat bar 2, upper shift fork back-moving spring 5, horizon bar 2 and pad 4 constitute the position restrainer of upper shift fork
Structure.Upper shift fork can rotate counterclockwise upon actuation, and oppresses upper shift fork back-moving spring 5 by pad 4, when upper shift fork turns to
Big position after stopping operating, upper shift fork and back-moving spring 5 are in resting state, and when controller power-off, upper shift fork resets
Spring 5 drives upper shift fork 10 to reset.
In order to improve the stability of utility model works, balance inertial force, need to be by upper driving lever 10 and the first trip bolt 8
The center superposition of rotating shaft of center of gravity and rotary magnet 9, the central shaft of valve element 13 and lower shift fork 12 and the second trip bolt 13
Center of gravity overlap.
For prevent switch valve in transportation valve element 13 in the internal play of valve body 22 it is ensured that during zeroing valve element 13 do steadily
Axially-movable, prevent from colliding with valve body 22, and ensure simultaneously controller be not powered on and do not lead to oil situation bottom spool 13
It is in absolute zero position, described pressurize block 17 is arranged with zero reset spring 18, zero reset spring 18 drives valve element 13 not
Zero-bit is returned to when oily.
Content described in this specification embodiment is only enumerating of the way of realization to utility model design, and this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model also wraps
Include those skilled in the art according to this utility model design it is conceivable that equivalent technologies mean.
Claims (8)
1. a kind of hydraulic pressure resets microminiature 2d electromagnetic switch valve it is characterised in that: include the valve body positioned at left side and be located at the right side
The connecting plate of side, drives the mechanical transmission mechanism of valve core rotation to be arranged on the right flank of connecting plate；
Valve element is rotatably arranged in valve body, and valve element is sequentially provided with first shoulder, the second shoulder from left to right and is used for sealing
3rd shoulder of oil-out, the left end cap of valve body and first shoulder are by airtight for body cavity enclosure cyclization on left end interior surface
Projection annular sensitive cavity, the second shoulder and the 3rd shoulder by airtight for body cavity enclosure cyclization around valve element annular oil-feed
Chamber, oil-out is located on the movement locus of the 3rd shoulder；
Oil suction chamber is connected with the oil-in on valve body, is provided with passage in valve element vertically, and oil suction chamber is passed through with the passage in valve element
Radial direction oil through connection on valve element, first shoulder has a pair axisymmetric pressure hole and a pair axisymmetric low pressure
Groove, and pressure hole and trough be arranged alternately, the channel connection in the arrival end of pressure hole and valve element, the arrival end of trough with
Spill port connects；A pair axisymmetric straight trough is provided with the inwall of valve body, the port of export of straight trough is connected with sensitive cavity, directly vertically
The arrival end of groove is located on the movement locus of the pressure hole port of export and the movement locus of the trough port of export；
Valve body and connecting plate are coaxially connected by support, and one end of support is fixed in valve body, and the other end is fixed in connecting plate,
The interior intracavity of support is rotationally provided with framework, and the left end fixation of described framework is set on valve element, in described framework right-hand member
Heart axle sequentially passes through support and connecting plate；Be coaxially provided with the pressurize block of tubular in described framework, the right-hand member of valve element airtight through guarantor
The opening of briquetting left end and being slidably disposed in pressurize block, the right-end openings of described pressurize block pass through the first ball seal,
The right side of valve element and the first spheroid enclose high pressure chest by airtight for pressurize block inner chamber, and described high pressure chest is connected with the passage in valve element
Logical；
Zero reset spring is arranged with described pressurize block, one end of zero reset spring is conflicted on the inwall of framework, another
Conflict on the step surface of pressurize block right-hand member in end；
Described mechanical transmission mechanism includes directly on top upper driving lever and lower shift fork located directly below, upper driving lever lower half
Shifting block ovalize, the first half of lower shift fork is the u shape fork of opening upwards, and the shifting block of upper driving lever is plugged in the u shape fork of lower shift fork
Interior, the rotary shaft of rotating machinery is fixedly connected with upper driving lever, to drive upper driving lever to drive lower shift fork to rotate, and the bottom of lower shift fork
It is fixedly connected with the central shaft of framework right-hand member, to carry movable valve plug synchronous axial system；The top of upper driving lever is slidably disposed in level
On bar, and one end of horizon bar is arranged with and tilts to be pushed against the upper driving lever back-moving spring in lower shift fork by upper driving lever.
2. a kind of hydraulic pressure resets as claimed in claim 1 microminiature 2d electromagnetic switch valve it is characterised in that: in described framework
It is provided with, from outside, the first spheroid is pushed against the support block pressurize block, the two ends of described support block pass through framework and are fixed on
On frame.
3. a kind of hydraulic pressure resets as claimed in claim 2 microminiature 2d electromagnetic switch valve it is characterised in that: on described projection
It is provided with the second spheroid, described second spheroid is inconsistent with the left side of first shoulder.
4. a kind of hydraulic pressure resets as claimed in claim 3 microminiature 2d electromagnetic switch valve it is characterised in that: described rotation sets
Standby for rotary magnet.
5. a kind of hydraulic pressure resets as claimed in claim 4 microminiature 2d electromagnetic switch valve it is characterised in that: described pressure hole
The port of export at be provided with high-pressure trough, pressure hole is connected with straight trough by high-pressure trough, and the distance between trough and high-pressure trough with
The width of straight trough is equal.
6. a kind of hydraulic pressure resets as claimed in claim 5 microminiature 2d electromagnetic switch valve it is characterised in that: upper driving lever resets
Spring is pushed against on upper driving lever by pad, and described pad is slidably disposed on described horizon bar.
7. a kind of hydraulic pressure resets as claimed in claim 6 microminiature 2d electromagnetic switch valve it is characterised in that: described electric rotating
Magnet is arranged on the top of valve body, and is furnished with protective cover.
8. a kind of hydraulic pressure resets as claimed in claim 7 microminiature 2d electromagnetic switch valve it is characterised in that: described upper driving lever
It is clamped on the output shaft of rotary magnet by the first trip bolt, described lower shift fork is clamped in frame by the second trip bolt
On the central shaft of body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620762441.XU CN205895738U (en) | 2016-07-19 | 2016-07-19 | Microminiature 2D electromagnetic switch valve that hydraulic pressure resets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620762441.XU CN205895738U (en) | 2016-07-19 | 2016-07-19 | Microminiature 2D electromagnetic switch valve that hydraulic pressure resets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205895738U true CN205895738U (en) | 2017-01-18 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620762441.XU Withdrawn - After Issue CN205895738U (en) | 2016-07-19 | 2016-07-19 | Microminiature 2D electromagnetic switch valve that hydraulic pressure resets |
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| CN (1) | CN205895738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122146A (en) * | 2016-07-19 | 2016-11-16 | 浙江工业大学 | The microminiature 2D electromagnetic switch valve that a kind of hydraulic pressure resets |
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2016
- 2016-07-19 CN CN201620762441.XU patent/CN205895738U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122146A (en) * | 2016-07-19 | 2016-11-16 | 浙江工业大学 | The microminiature 2D electromagnetic switch valve that a kind of hydraulic pressure resets |
| CN106122146B (en) * | 2016-07-19 | 2018-05-08 | 浙江工业大学 | The microminiature 2D electromagnetic switch valves that a kind of hydraulic pressure resets |
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Granted publication date: 20170118 Effective date of abandoning: 20180508 |