CN103443477A - Fluid-actuated diaphragm drive - Google Patents
Fluid-actuated diaphragm drive Download PDFInfo
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- CN103443477A CN103443477A CN2012800165357A CN201280016535A CN103443477A CN 103443477 A CN103443477 A CN 103443477A CN 2012800165357 A CN2012800165357 A CN 2012800165357A CN 201280016535 A CN201280016535 A CN 201280016535A CN 103443477 A CN103443477 A CN 103443477A
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- diaphragm
- housing
- intercept
- sidewall
- driver
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/10—Characterised by the construction of the motor unit the motor being of diaphragm type
Abstract
Proposed is a fluid-actuated diaphragm drive (1) which has two dome-shaped housing parts (5, 6) which are mounted on one another with two openings, which face towards one another, arranged coaxially. The two housing parts (5, 6) are fixed to one another, at their side surfaces (5b, 6b) which adjoin one another, by means of a bayonet connection device (45). The two housing parts (5, 6) are designed such that the locking projections (46a, 46b) of the bayonet connection device (45) are covered so as not to be visible from the outside.
Description
Technical field
The present invention relates to a kind of fluid actuated diaphragm driver (Membranantrieb), it is with housing with longitudinal axis, housing has on the axial direction that is respectively formed at longitudinal axis two the hood-like housing members of in distolateral two end walls (Abschlusswand) of spacing is arranged relatively putting, it has respectively and is placed to coaxially the bayonet mount of locating each other and forming by the locking projection (Verriegelungsvorsprung) connect after by housing member by the opening of the side walls enclose of ring-type and its is fixed to one another under the common restriction of housing inner chamber and opening facing each other in the zone of the sidewall of ring-type, and with driver element, but it comprises and is fixed on diaphragm between these two housing members and axial deflection, diaphragm transmission ground with slidably through at least one the body of rod in end wall, be connected and it is divided into two axially adjacent working rooms hermetically by the housing cavity fluid, but at least one fluid loading wherein.
Background technique
By file DE-A-1426452, the diaphragm driver of known the type comprises housing, and it consists of two hood-like housing members, and housing member utilizes opening facing each other to be placed to each other and locates.The side-walls housing member of encirclement opening at them is fixed to one another by means of bayonet mount.Bayonet mount comprises with being arranged in of the adjacent recess that makes progress in a week flange housing member place, that upwards stretch out in footpath and is arranged in addition the curved intercept gone out another housing member place, that work as the locking projection.In the state be fixed to one another of housing member, the edge intercept between the adjacent recess that is present in flange of acting flange after the locking projection, make housing member axially movably to be fixed to one another.In the engaging zones of these two housing members in the inside of housing in the situation that but sealing is furnished with the diaphragm of axial deformation, it is separated from each other two working rooms.Corresponding to the pressure reduction be present between these two working rooms, make with the body of rod of motion of membrane connection axially displaced.
By bayonet mount, these two housing members can be fixed to one another relatively rapidly in the scope of peg graft-rotation-motion.Yet, due to the outer surface strongly split of the structure generation housing in engaging each other, it is vulnerable to pollution and be difficult to clean very.Also can not underestimate the damage danger at the seamed edge place of the suitable exposure of bayonet mount.
Power brack for motor vehicles (Bremsverstaerker) illustrated in file US 7,048,342 B1 suffers similar problem, and its housing consists of the housing member of two mutual lockings equally.Yet the engaging process of these two housing members is pure grafting processes there, because locking is caused by the bending of retaining plate (Haltelasche) after housing member being inserted into together.
Also suffer pollution problem according to file DE 19642329 A1 for the bayonet coupling (Bajonettverschluss) that connects fluid circuit.Plug for tolerance sleeve has the ring by two fixing clamps (Haltebuegel) carrying, at Qi Chu, is configured with two hook-shaped locking projections of inwardly stretching, and they are connect in the axial direction afterwards by the locking projection to overhanging of insertable sleeve.The locking projection of sleeve is herein in the zone of the groove of two peripheral sides of plug, and groove extends between fixing clamp and dirt can be deposited on wherein.
Summary of the invention
The object of the invention is to provide a kind of diaphragm driver, and it can assemble with the simple in structure of easy cleaning.
In order to realize this purpose, with the feature that beginning is mentioned, to be arranged to with interrelating, the locking projection of bayonet mount is invisibly hidden from any visual angle from the outside here by these two housing members.
So that this mode is approximate, exist the bayonet mount be arranged in enclosure interior, its locking projection cover outward and can not approach from the outside of housing here.Therefore housing can be assembled rapidly and simply in the scope of grafting-rotation-process, wherein, avoids occurring the external frame split in assembled state, and this reacts on the deposition of dirt and is conducive to effectively clean.Therefore the diaphragm driver also optimally is suitable for use in clean concentrated environment, for example, for being used in medical science and pharmaceutical field.
The favourable improvement project of the present invention is drawn by dependent claims.
Be placed to the housing member located each other aptly with its two side in the situation that during co-axial orientation axially invades each other.In this footpath, upwards the sidewall in outside has the outer locking projection of inwardly stretching, and footpath upwards is arranged in the sidewall of the inside and has the interior locking projection that radially outward is stretched.Outer and inner locking projection is stacked diametrically, wherein, its with axial vane surface each other to the locking side along (Verriegelungsflanke) axially support mutually, to guarantee the combination of housing member.
These two sidewalls are placed to each other and locate so aptly, make the closing line (Fuegelinie) that has outer surface and the longitudinal axis that be concentric with housing in housing in engaging zones.In the zone of this closing line, these two sidewalls are against each other or only minimally spaced apart on axially aptly.Be arranged in locking projection these two side-walls and that belong to bayonet mount be arranged in the zone of the inboard relative with outer surface housing closing line and therefore by the intercept of relatively putting at the closing line place of these two sidewalls outwards, around the diaphragm driver, hide in all directions.Closing line footpath aptly upwards seals composition plane outside, and by the axial relatively upper of these two sidewalls, two end faces of ring-type that put and facing each other limit for it.When the end face of these ring-types is against each other or only minimally spaced apart, can guarantee comprehensively the covering of the best of bayonet mount.
One preferred design proposal of bayonet mount is arranged to, interior locking projection is upwards carried in outer locking projection footpath another sidewall at the carrying intercept place of the interior ring-type that is arranged in a sidewall has structure and the covering intercept ring-type that radially outward is stretched in flange-type ground, and its end face that reaches the carrying intercept on axially before and hide it.
Interior locking projection footpath aptly upwards is positioned at the carrying intercept place of the ring-type of associated sidewall outside, and this carrying intercept stretches in the carrying intercept of ring-type of another sidewall coaxially, and wherein, it is upwards surpassed outward by the covering intercept footpath of ring-type.
All the locking side facing each other of locking projection is along extending in the plane of the longitudinal axis perpendicular to housing without gradient ground aptly, and this plane can be described as the locking plane.In order to obtain at axial pretightening best between these two housing members that combine, when diaphragm, between these two sidewalls, at this, be axially suitable during tensioning.The intercept of the tensioning of diaphragm correspondingly is pressed together on axially when setting up bayonet socket and connect, and makes it as reaction, build and make the make progress tension force of mutual tensioning of locking protruding axis.
Yet at least some in locking side edge also can easily be provided with axial slope, make during affiliated rotary course, to set up when bayonet socket connects to build axial pretightening force.
Two side-walls at housing member are furnished with stopping device aptly, and it is setting up when bayonet socket connects the relative rotation angle that limits housing member.The parts of cooperating with each other that prevent over-rotation and guarantee bayonet mount in this mode when assembling in the situation that in automatically reaching correct relative position without complicated control.
Stopping device especially comprises and is arranged in a stop pin side-walls, that be parallel to housing longitudinal axis orientation, its for limiting rotation angle be arranged in another side-walls and in the stop surface cooperation that the week of longitudinal axis makes progress directed.Stop surface especially can be formed by the edge surface of the locking projection of bayonet mount.
Bayonet mount is associated with the insurance device aptly, and it prevents counterrotating unintentionally (Zurueckdrehen) and correspondingly prevents unclamping unintentionally of bayonet mount.These insurance devices especially are configured to element of construction with stopping device.Preferably, the sidewall that is equipped with thus stop surface has the locking recess in the zone of stop surface, and the stop pin that is anchored in addition another side-walls can be introduced wherein., introduce motion and especially can occur in the scope of the process of screwing when its sidewall of carrying is in screw thread is combined when stop pin.
In the situation that consider bayonet mount according to design of the present invention, housing especially can have the external styling of similar cake.It has into the center intercept of outer cylinder profile aptly, the bayonet mount hidden outward be arranged in the zone of this center intercept and axially upper in both sides, respectively have truncation taper ground gradually the outer surface intercept of taper be connected to this intercept place, center.
The suitable structure of diaphragm driver is arranged to, by these two working room's Fluid Sealings diaphragm tensioning under the axial pretightening of the sidewall of these two housing members that combine of being separated from each other.By tensioning, obtain on the one hand best sealing contact and obtain on the other hand effective support of the combination of these two housing members.
Can axially movable driver element with respect to housing in order to form, diaphragm and the associated body of rod are tightened aptly.Yet the connection of other type equally may.
According to the application target of diaphragm driver and functional, the body of rod can be through only one or its type according to continuous bar in these two end walls simultaneously through two end walls.There is each possibility for power output (Kraftabgriff) two the terminal intercepts that stretch out from housing that optionally utilize the body of rod in situation about in the end mentioning on relative side.
If the body of rod through two end walls, also exist the length intercept utilized through an end wall for power output, utilize through the length intercept of another end wall for position probing and/or for the position indication and/or for position default possibility.
The diaphragm driver can be configured so that but two working room's fluids that sealed each other by diaphragm load.Through the control channel of housing or driver element, lead in each working room in this case, through this control channel controllably fluid load associated working room.Therefore the diaphragm driver can be used according to the type of the Linear actuator of double action.
Exist in addition and will make diaphragm be tightened in advance the possibility in working room one of return spring Plant arrangement in home position (Grundstellung).Be not used to the fluid loading if hold the working room of return spring device, so especially recommend this measure.Can realize very simply the Linear actuator of substance effect in this mode.
In a favourable structure, the return spring device consists of relatively strong pressure spring device.Loading by another working room can overcome returning place force continuously, makes and has the possibility as the ratio driver by the diaphragm driver, and the length of stroke that realized therein (Hubweg) depends on applied hydrodynamic pressure pro rata.By in enclosure interior, can also additionally being conducive to this method of operation without the diaphragm of frictionally motion.
The diaphragm driver can be used for various driving task.It especially can use with the place of traditional short stroke cylinder so far everywhere.It particularly also is suitable as the driver in processing industry (Prozessindustrie) and is particularly useful for there controlling dissimilar process valve.It for example can be used to handle linear guiding valve or go back conduct for pressing from both sides the driver of valve (Quetschventil).
As the driven medium for the fluid driving force is provided especially considering compression air, although also can utilize other pressurized gas or also have pressured fluid as driven medium.
The different maximum stroke that the diaphragm driver can be in the same structure size comprises the driver element of diaphragm for diaphragm changeably in other words designs.This realizes especially thus, prepares one or more stroke limiting element, and it is at one or can be arranged on the end wall place of the relevant working room of restriction and it works as the stopping device for limiting stroke in two working rooms.The axial height that therefore maximum stroke length of driver element passes through installed stroke limiting element limits.Existence for change length of stroke axially staged the possibility of a plurality of stroke limiting elements is installed.Alternatively can prepare a plurality of stroke limiting elements with different heights, it alternatively can be arranged in relevant working room.Such structure of diaphragm driver has this advantage, in the situation that do not change outside dimensions, can use same diaphragm driver for different stroke range.Preferably, this at least one stroke limiting element is constructed annularly and is arranged in working room coaxially.
In order to be fixed on its place, place to use, the diaphragm driver has at least one fixed interface in the outside of its housing aptly.Preferably, the outside that is arranged at the fixed interface Ci Yi center of central authorities is arranged in a place of these two distolateral end walls.The fixedly possibility of these central authorities allows the diaphragm driver to be orientated about its longitudinal axis with arbitrarily angled orientation on 360 ° when it assembles.Correspondingly, can locate best the fluid circuit essential for the operation of diaphragm driver and the electric wire also likely deflected from.
Especially recommend tapped hole as central fixed interface, fixing bolt can screw in wherein.
If these two housing members form (this is conducive to simple manufacture and lower weight is this situation aptly) by plastic materials, fixed interface also can be configured in the inserting member place consisted of metal, during this inserting member especially is placed into its plastic materials in the injection moulding manufacture of associated housing member.Although be the high strength that plastic casing can be guaranteed fixed interface in this mode.
The position detection device of at least one occupied relative position about housing that the diaphragm driver is equipped with for detection of the driver element that comprises diaphragm and the body of rod is suitable.Position detection device can and be arranged according to design and allow to detect one or two stroke end position (Hubendlage) of driver element and/or one or two neutral position of driver element.Also can be provided with the distance measurement of the whole stroke range for controlling driver element.
Sensor for detection of position for example can be assemblied at least one place in these two housing members.Therefore can will require the sensor of less position directly to be integrated at least one housing member.
For distance measurement, position detection device for example can have electric pneumatic converter, and it is in response to the actuating element moved together with driver element, permanent magnet especially.If use the diaphragm driver for controlling process valve, with this mode current aperture of monitor valve very accurately.
Also can make without problems the diaphragm driver be equipped with the position detection part of optics.To this, the body of rod for example can have bar code or the calibrated scale of especially introducing by laser beam machining, and it can be surveyed by the optical sensor that is arranged in the housing place.
If wish the blastproof enforcement of diaphragm driver, replace the position detection device of electrically working can employ the position detection device of non-electric type in case of necessity.For example can use the fluid switch that can magnetically control for position probing.
Below enumerate additional advantage and optional measure about the diaphragm driver.
Because the housing of diaphragm driver only consists of two hood-like housing members, cancel additional cylindrical tube and obtain with the compact structure of a small amount of member only.Use diaphragm to replace piston reduce the internal friction of system and guarantee best response characteristic.Do not need in addition to lubricate.
The diaphragm driver is equipped with column ground and preferably cylindric the body of rod designed aptly.Alternatively, however also can consider with polygonal and especially with the body of rod of quadrangular cross-sectional profiles, because can realize especially simply rotating stop (Verdrehsicherung) in this mode.The rotation stop, especially profile is that the tetragonal body of rod has this advantage, diaphragm is not loaded with torsional load, this is conducive to its expected life.
Abandon reducing manufacture cost for the bolt interfixed of housing member.The fixation interfixed for housing member still can be configured so that without problems that housing member releasably links together and can be separated again at any time each other in order to keep in repair order.
Driver element can be equipped with the rubber elasticity shock absorber in the inside of housing, and it guarantees the impact slowed down in end position.Applicable end position buffer especially can axially be gone up in both sides and stretch out over diaphragm, makes it can encounter on the end wall relative with driver element when reaching the stroke end position.The end position buffer is configured to the direct constituent element of diaphragm aptly.
The housing member be fixed to one another according to the present invention not only can be by metal but also can be by polymer and especially consist of plastic materials.
If use the body of rod through two end walls, at least the length intercept through an end wall can be used for to the position probing of driver element and/or limit for stroke.For example can be in outside housing and be furnished with actuation member at this length intercept of the body of rod, it can be for example magnetic element with the position transducer cooperation that is fixed on the housing place and its.Actuating element for example can be carried by adjusting nut, and its axial adjustable ground is positioned on the outside thread of length intercept of the body of rod and it can be fixed by means of locking nut.Position transducer is fixed on the housing place of diaphragm driver aptly directly or indirectly.
But the length intercept stretched out from housing at the body of rod also can be furnished with the especially stopping element of axial adjustment, its by be arranged in housing place or the predeterminable driver element of pairing stopping element cooperation that directly formed by housing definite axial position.
The body of rod can be single type or also multi-part type.It for example can have two body of rod elements, they from side respect to one another, be placed to here diaphragm and they form respectively the body of rod respectively through one in the length intercept of an end wall.
Recommend the structure of passing through fiber module and/or strengthening by fabric for diaphragm.Stiffener especially can single-sided arrangement outside or in the inside at diaphragm material, be arranged in the middle of.Recommend rubber or silicone or thermoplastic polyurethane as the material for diaphragm.But when diaphragm material, being not only flexibly and rubber elasticity ground when distortion, is favourable equally.
The diaphragm driver additionally can be equipped with light display device, and its indication arrives at least one definite stroke position of driver element.
If the body of rod is used to the position probing of driver element, can consider all general inquiry possibilities.Except the optical acquistion of having mentioned, by for example magnetic material (it can be detected by the position transducer for magnetic-field-sensitive or distance sensor) being inserted in the body of rod, magnetic detecting is also possible certainly.
For the body of rod, especially recommend by aluminium or the structure that formed by the high-quality steel.These two housing lid are manufactured without cutting ground aptly.
The diaphragm driver allows to realize the motion very fast of driver element.This for example can be used to punching press, riveted joint, punching, impression, die casting, discharge or classification.The quality of motion is very little at this.Because the working room of at least not passed by the body of rod can implement airtightly, the diaphragm driver can move with very high efficiency on energy.Also can abandon the lubricant method about diaphragm.
The accompanying drawing explanation
Below elaborate with reference to the accompanying drawings the present invention.Wherein:
Fig. 1 shows the diagram of the perspectivity of the preferred form of implementation driven according to diaphragm of the present invention with the visual angle of the side to attachment openings,
Fig. 2 shows the side view of diaphragm driver with the direction of observation of the arrow II according in Fig. 1, wherein, direction of observation is perpendicular to the longitudinal axis orientation of the housing of diaphragm driver,
Fig. 3 shows the equidistant blast diagram of diaphragm driver,
Fig. 4 shows the longitudinal section according to the diaphragm driver of the section plane IV-IV in Fig. 2, and wherein, this section plane overlaps with the longitudinal axis of housing and has axial and a stretching, extension radially about the longitudinal axis of housing.
Fig. 5 shows another longitudinal section according to the diaphragm driver of the section plane V-V in Fig. 4, and it is about take the longitudinal axis half-twist of Fig. 4 as basic section plane around housing,
Fig. 6 shows the independent diagram of the perspectivity of in these two housing members,
Fig. 7 shows another the independent diagram of perspectivity in these two housing members,
Fig. 8 is presented at the internal view of the axial orientation of the housing member shown in Fig. 6, and
Fig. 9 is presented at the internal view of the axial orientation of the housing member shown in Fig. 7.
Embodiment
The diaphragm driver meaned with reference character 1 on the whole at it is designed for the manipulation of controlling by means of fluid force, and wherein, fluid force is provided by the fluid driven medium of input and output according to demand.This driven medium is pressurized air especially.The diaphragm driver still also can be by means of the driven medium of other gaseous state and is also moved by means of liquid driven medium.
Housing 2 has two hood- like housing members 5,6, and it is next in order better to distinguish and to be also referred to as the first and second housing members 5,6.Each housing member 5,6 has especially roughly distolateral end wall 5a, the 6a of dish type and sidewall 5b, the 6b of the ring-type that single type ground is connected in its place coaxially.
Each housing member 5,6 5b of the sidewall with its ring-type, 6b surround opening 7a, the 7b that has axial spacing ground to arrange with associated distolateral end wall 5a, 5b.These two housing members 5,6 utilize opening 7a, 7b facing each other to be placed to each other and to locate coaxially, and wherein, they limit housing inner chamber 8 jointly.Under the cooperation of these two annular sidewall 5b, 6b, housing member 5,6 is fixed to one another.
That each housing member 5,6 has the circular at least aptly and external frame of annular especially, its connect eyelet (Anschlussauge) 11a, 11b that exemplarily only in the transition region between end wall 5a, 6a distolateral and annular sidewall 5b, 6b, is molded in outside each housing member 5,6 place interrupts.Connection eyelet 11a, the similar rib of 11b ground extend diametrically until in the zone of the external frame of the radial directed of associated sidewall 5b, 6b, wherein, its end face (Abschlussflaeche) outside its footpath is upwards pointed to locates to have respectively attachment openings 12a, 12b, and it is suitable for the input and output driven medium.
Driver element 4 has and is arranged in diaphragm 13 in the housing inner chamber and that extend transverse to longitudinal axis 3 there.Diaphragm 13 is roughly similar pot ground pre-shaping aptly.It has the characteristic of flexible bending and especially consists of the membrane body of rubber elasticity (itself and fabric strengthening section integrated or that be placed in outside combined).
Corresponding to the design of annular sidewall 5b, 6b, diaphragm 13 exemplarily has circular external frame.Its radial direction outer have unbroken around, built-in edge 14 that especially crowned ground is shaped, diaphragm utilizes it in tensioning under axial pretightening between two annular sidewall 5b, 6b.Under the cooperation of diaphragm 13, by housing inner chamber 8 Fluid Sealings be divided into two axially in succession, hereinafter referred to as the working room of the first and second 15a of working room, 15b.The the first attachment openings 12a that is arranged in the first housing member 5 places is communicated with the first 15a of working room via the first control channel 16a of the wall section through the first housing member 5, and the second attachment openings 12b that is arranged in the second housing member 6 places is communicated with the second 15b of working room via the second control channel 16b of the wall section of passing the second housing member 6.Therefore can with hydrodynamic pressure, load or release each 15a of working room, 15b through these two control channel 16a, 16b.
Driver element 4 yet comprises the shaft-like member that is called the body of rod 17 except diaphragm 13 as other constituent element, the one end be fixed in the middle section of diaphragm 13 and its from the diaphragm 13s axially extending at longitudinal axis 3, wherein, it passes the break-through mouth (Durchtrittsoeffnung) 18 of the distolateral end wall 5a that runs through the first housing member 5 slidably outward.The body of rod 17 has the output intercept (Abgriffsabschnitt) 22 be arranged in outside housing 2, the motion of being implemented by driver element 4 at its place or the adjustment power applied are exportable, in order to for example handle the valve body of the process valve combined with diaphragm driver 1.
Be furnished with compatibly ring-type guide 23 and the Sealing 24 of structure in break-through mouth 18, but it surrounds coaxially the body of rod 17 and its and is responsible for making on the one hand the body of rod 17 accurately to guide and get rid of on the other hand the fluid outflow through break-through mouth 18 from housing inner chamber 8 in Linear-moving ground about housing 2.
It should be understood that diaphragm 13 also can be fixed on the body of rod 17 places by other fixation, for example, by riveted joint.
Driver element 4 yet comprises two supporting disks 28 aptly, and its outer diameter is less than the inner diameter of housing inner chamber 8 and it coaxially to be connected to diaphragm 13 places on two axial sides that are arranged in diaphragm 13 of longitudinal axis 3.Supporting disk 28 is attached in bolt connecting device 25 and utilizes axial pretightening to abut in diaphragm 13 here from relative axial side.Upwards can be towards diaphragm 13 rounding projectedly in the fringe region place of outside supporting disk 28 in its footpath, make the supporting surface 29 that respectively produces arching, can support and roll extrusion (if it loads by axial deflection by corresponding fluid for the purpose of handling driver element 4) at its place's diaphragm 13.
But supporting disk 28 for example can consist of for the dish that forms supporting surface 29 axial bendings its outer edges place.
Two 15a of working room, 15b can load with the fluid driven medium in an embodiment.Can cause in this mode the axial deflection in the zone within the built-in edge in tensioning 14 diametrically of diaphragm 13 according to what set up thus at the pressure reduction between these two 15a of working room, 15b, make also correspondingly motion together of the body of rod 17.With this mode obtain driver element 4 longitudinal axis 3 with respect to housing 2 axially on Linear Driving motion 34.
If two 15a of working room, 15b can load with the fluid driven medium controllably, there is the enforcement of the double action of diaphragm driver 1, driver element 4 can be handled by means of fluid force on axially at two therein.
Yet diaphragm driver 1 also can be designed to the driver of substance effect, wherein, but in these two 15a of working room, 15b only one be configured to fluid and load or be used to fluid and load, and wherein, be furnished with return spring device 33 in one in these two 15a of working room or 15b, it is supported on the one hand housing 2 places and is supported on the other hand driver element 4 places and by it, driver element 4 is tightened in home position in advance.Such return spring device 33 schematically shows in the accompanying drawings.It especially is configured to pressure spring device and is designed to aptly spiral spring device, and wherein, it surrounds the length intercept in housing inner chamber 8 that is arranged in of the body of rod 17 coaxially.
The return spring device 33 existed in case of necessity especially can be supported on a place in the supporting disk 28 of having mentioned aspect driver element 4.
For driver element 4 is remained in stable home position in stress-free state, if diaphragm driver 1 is used as the driver of double action, so also can there is return spring device 33.
The Linear Driving motion of the driver element 4 that can be caused by check fluid loading means by double-head arrow with 34 in the accompanying drawings.
Driver element 4 can move aptly between two stroke end positions.One in the stroke end position is the home position of top other elaboration.In each stroke end position, driver element 4 is supported on the internal surface place of in these two distolateral end wall 5a, 6a.
The built-in edge 14 of the tensioning of diaphragm 13 stretches aptly in the fixed pan perpendicular to longitudinal axis 3.This fixed pan is in particular for the median surface of the possible axial deflection motion of diaphragm 13.In the one-stroke end position, diaphragm 13 is out of shape in the direction of the end wall 5a to distolateral from fixed pan, and in another stroke end position, it is out of shape on the direction of the end wall 6a distolateral to another.In each stroke end position of driver element 4, diaphragm 13 has the shape of similar pot or cup aptly.
There is aptly at least one fixed interface 35 in the outside of housing 2, via it, the housing of diaphragm driver 12 can be fixed on to the external structure place.Exemplarily, on such fixed interface 35 is axial, is arranged in outside the second housing member 6 places of not passed by the body of rod 17 that is especially locates in center portion, making it be passed by longitudinal axis 3.
The fixed interface 35 of central authorities is especially realized with the form of the coaxial tapped hole in longitudinal axis 3, at it, helps lower shell body 2 to fix outside in bolted scope.
The advantage of fixed interface 35 of central authorities is, before final fixedly generation, housing 2 is about longitudinal axis 3 arbitrary orientation relatively.In this mode, housing 2 can be orientated aspect angle of swing changeably corresponding to the condition existed at the place, place to use.Attachment openings 12a, 12b especially can be directed best thus.
Be different from this embodiment, the body of rod 17 also can be configured to pass completely through housing inner chamber 8 and also can axially movably cross the other break-through mouth that is configured in the second housing member 6 places on it axially.Such body of rod 17 can single type ground be constructed or has a plurality of, an interconnective rod element in the zone of diaphragm 13 especially.
In such diaphragm driver 1, two output intercepts 22 of the axial relatively orientation each other of driver element 4 can be provided for optionally and use.
If the body of rod 17 passes completely through housing 2 on axially, at least one be used to position probing in these two terminal intercepts that are arranged in outside housing 2 and/or for the stroke adjustment of driver element 4.
As be schematically shown in the accompanying drawings, the diaphragm driver can have at least one the stroke limiting element 36 in the inside that is arranged at least one 15a of working room, 15b, and it can fix or be fixed on the place of the axial internal surface towards diaphragm 13 of at least one distolateral end wall 5a, 6a.Can differently carry out to preset the common directly by the distolateral default stroke end position of end wall 5a, 6a of driver element 4 by means of such stroke limiting element 36.The stroke limiting element 36 used limits the axial stroke of driver elements 4 and allows to thus and changes in the situation that do not change the basic structure of diaphragm driver the stroke provided by driver element 4.
Stroke limiting element 36 for example can be bolted or adhering junction is fixed on associated housing member 5,6 places.The possibility of a plurality of stroke limiting elements 36 is installed in existence simultaneously with the form of cascade, in order to limit different maximum stroke according to the quantity of installed stroke limiting element 36.The same possibility that has the stroke limiting element 36 that a plurality of different lengths are provided, it alternatively can be arranged in housing 2 according to desirable maximum stroke.
Stroke limiting element 36 is constructed annularly aptly and preferably can be arranged on the direction coaxial about longitudinal axis 3.It is the member separated about housing 2, and it only is mounted under corresponding the requirement.
The special position detection device 37 of structure aptly comprises outside and the especially direct contiguous corresponding fixed groove 38 that eyelet 11a, 11b arrange that connects that is arranged in each housing member 5,6, and its longitudinal extension part about longitudinal axis 3 radial directed that especially is parallel to relevant connection eyelet 11a, 11b is orientated.Each fixed groove 38 is configured to accommodated position sensor 42, and it contactlessly can be handled by actuating element 43 in the housing inner chamber 8 that is arranged in driver element 4 places and that especially be configured to permanent magnet.If driver element 4 arrives associated stroke end position, each position transducer 42 especially responds so.
Fixed groove 38 especially is configured in and is molded into contiguous connection eyelet 11a, fixing rib 44 places at 11b place.By the machine-direction oriented outside pass-out radially of fixed groove 38 towards housing 2 that make radially about longitudinal axis 3 due to fixed groove 38, there can by the connection for position transducer 42, required electric wire deflects from easily.
One or two housing members 5,6 of housing 2 especially consist of plastic materials by polymer material and at this aptly.At this, housing member 5,6 can be very simply and cost advantageously without cutting ground, manufacture.In addition, diaphragm driver 1 has only very little weight in this case.Yet it should be understood that the metal embodiment is also possible, wherein, housing member 5,6 is especially manufactured by aluminium or by the high-quality steel.Also can be realized by composite material.
These two housing members 5,6 are fixed to one another by means of bayonet mount 45 in an advantageous manner.Connect in order to set up bayonet socket, in the first step, these two housing members 5,6 axially can be plugged together previously and in second step, make them relative to each other rotate with opening 7a, 7b facing each other.The direction axially be plugged together and longitudinal axis 3 axially superimposed.For the spin axis rotatablely moved, directly by longitudinal axis 3, formed.
The built-in edge 14 in tensioning between these two distolateral end wall 5a, 6a of the diaphragm 13 consisted of the material with the rubber elasticity characteristic at least in part is responsible for the necessary axial pretightening between these two housing members 5,6 aptly.
These two housing members 5,6 in the situation that in its engaging zones in co-axial orientation is axially invaded each other.Exemplarily, on distolateral end wall 6a at least a portion in its length of this second housing member 6, footpath is upwards surrounded by the annular sidewall 5b of the first housing member 5 outside.Can say, the annular sidewall 5b of the first housing member 5 is in outside in engaging zones, and the annular sidewall 6b footpath of the second housing member 6 is upwards in the inside.The other explanation of bayonet mount 45 also realizes according to this situation.Yet the association conversely that it should be understood that housing member 5,6 is also possible, make axially upper the intrusion in annular sidewall 6b of annular sidewall 5b.
The annular sidewall 5b of the first housing member 5 has coaxially in longitudinal axis 3, the first carrying intercept 47a ring-type.Below be arranged in the radially inner side place of the first carrying intercept 47a also referred to as the first locking projection 46a of outer locking projection.A plurality of first or outer locking projection 46a in week of longitudinal axis 3, upwards along the first carrying intercept 47a, arrange on the ground that distributes, phase mutual spacing ground to each other.Correspondingly, on upwards producing respectively each other in week of the first carrying intercept 47a not only axially between outer locking projection 46a in succession and also footpath upwards towards interior unlimited gap, it is hereinafter referred to as external series gap 48a.Week at the first carrying intercept 47a makes progress, and therefore outer locking projection 46a and external series gap 48a one after the other arrange each other.
The annular sidewall 6b of the second housing member 6 has the second carrying intercept 47b of ring-type, and it is equally coaxially arranged in longitudinal axis 3.It axially stretches out on the direction to the first housing member 5.Be arranged in the radial outside place of the second carrying intercept 47b of ring-type hereinafter referred to as the second locking projection 46b of interior locking projection, wherein, its quantity is corresponding to the quantity of outer locking projection 46a.Upwards between adjacent interior locking projection 46b, depositing respectively in week of the second carrying intercept 47b in the axial direction towards the first housing member 5 and unlimited gap outward upwards, footpath simultaneously, it is hereinafter referred to as internal clearance 48b.In this mode, at the second a plurality of interior locking projection 46b in carrying intercept 47b place and internal clearance 48b in the alternately arranged in succession each other of ground that upwards distributes in week.
Carrying intercept 47a, 47b circumferentially refer to around the extension of the longitudinal axis 3 of housing 2.
The first carrying intercept 47a has the first end face 52a towards the axial ring-type of the second housing member 6 orientations.The second carrying intercept 47b has the ring-type of axial orientation the second end face 52b in its end towards the first housing 5.Outer locking projection 46a directly is connected to the first end face 52a place aptly, and interior locking projection 46b directly is connected to the second end face 52b place aptly.
Have groove shape gap 53a, 53b between the intercept of putting corresponding thereto of each locking projection 46a, b and associated housing member 5,6, its situation central diameter at the first housing member 5 is upwards towards interior and upwards open wide outward in the situation central diameter of the second housing member 6. Groove shape gap 53a, 53b are respectively in the gap 48a, the 48b that upwards are transitioned into connection week of carrying intercept 47a, 47b.
When assemble case 2 at first by these two housing members 5,6 are plugged together on axially, make the second carrying intercept 47b invade coaxially in the first carrying intercept 47a, wherein, the locking projection 46a, the 46b that are arranged in housing 5,6 places invade in gap 48b, the 48a that is arranged in another housing 6,5 places respectively simultaneously.Housing member 5,6, is made on the locking projection 46a of a housing member 5,6 respectively, b the is in axial height identical with groove shape gap 53a, the 53b of another housing member 6,5 respectively in being inserted into each other by the earth's axis so far away.From this position, make these two housing members 5,6 rotate relative to one another in next step until be arranged in outer and inner locking projection 46a, the 46b of these two carrying intercept 47a, 47b and connect afterwards in couples.Outer and inner locking projection 46a, 46b this with axial vane surface each other to the locking side be stacked diametrically and support each other in the axial direction along 54a, 54b with these locking sides along 54a, 54b.
The axial pretightening caused along the diaphragm 13 existed between 54a, 54b by tensioning between these two housing members 5,6 in locking side against each other.
Special shape by these two housing members 5,6 realizes, not only outer locking projection but also interior locking projection 46a, 46b are covered towards the outside of housing 2.Even so make whole bayonet mount 45 invisibly be hidden outside housing 2 by these two housing members 5,6 here.
In order to realize this, on the one hand the first carrying intercept 47a of the outer locking projection 46a of carrying without interrupt closed the structure, make it hide the parts that are surrounded by it of clamping coupling arrangement 45 fully.This is not only on the one hand the outer locking projection 46a that is arranged in itself place and is the interior locking projection 46b joined in the slot-shaped gap 53a of the first housing member 5.The first carrying intercept 47a forms footpath and upwards covers outward the containment wall radially of bayonet mount 45.It constructs at its radial outside place preferably streamlinedly and especially cylindrically.
On the direction of from the distolateral end wall 5a to the first housing member 5, the parts of bayonet mount 45 are directly covered by the wall section of the first housing member 5.
On the direction of from the distolateral end wall 6a to the second housing member 6, the parts of bayonet mount 45 are covered by the wall section of the second housing member 6.This realizes thus, these two housing members 5,6 be coupled to each other on axially make between them the visible radially-outer surface in housing 2 only place and be concentric with the closing line 55 of longitudinal axis 3.In the zone of this closing line 55, these two housing members 5,6 are only minimally spaced apart or even directly against each other.
In order to realize this design, at the second housing member 6 places, be configured with aptly coaxially in the wall intercept of the annular of the second carrying intercept 47b, it is called as and hides intercept 56 and its flange-type leading thread to overhanging based on its function.
Hiding intercept 56 has axial spacing ground to arrange and limits respectively in the slot-shaped gap 53b mentioned with interior locking projection 46b with the interior locking projection 46b that is arranged in the second carrying intercept 47b place.
The covering intercept 56 of annular has such radial extension, before making the first distolateral 52a of its annular that reaches the first carrying intercept 47a and suitablely hide it fully.Hide intercept 56 relative with the first end face 52a that is configured in the first carrying intercept 47a place and put in this other end with axial orientation 57.
Above mentioned closing line 55 forms the terminated line (Abschlusslinie) at 61 places of the outer surface in housing 2 that are configured in the composition plane between these two housing members 5,6, and its end face by annular facing each other 52a, 57 limits.
Aptly, covering intercept 56 footpaths of annular are upwards axially sealed with the outer surface of the first carrying intercept 47a connected outside with flushing.Avoid forming seamed edge in this mode.
Assemble like this, housing 2 has the middle intercept 62 of outer circle column profile, and the radially- outer surface intercept 63,64 axially connected each other at closing line 55 places of its annular sidewall 5b by the first housing member 5 and the covering intercept 56 of the second housing member 6 limit jointly.
If in the middle of described intercept 62 places axially on both sides respectively be connected with the one-tenth truncation taper profile of housing 2 outer surface intercept 65a, 65b (its respectively from another housing member 6,5 fingers from direction taper gradually), the design of housing 2 especially proves compact and easy to clean especially so.In this mode, housing 2 can have the shape of similar cake on the whole.
If, for the pretension that the mutually axially tensioning of these two housing members 5,6 not only will rely on the film 13 by tensioning to cause, the locking side of locking projection 46a, 46b can be provided with gradient about associated carrying intercept 47a, the perimeter wall of 47b at least in part along 54a, 54b.Locking side by whole locking projection 46a, 46b is extended in the plane of the longitudinal axis 3 perpendicular to housing 2 without gradient ground here along 54a, 54b, the addition thereto that this embodiment need not be such.
In being rotated to correct relative rotary angle position in order to ensure these two housing members 5,6 when setting up the bayonet socket connection, at sidewall 5b, the 6b place of these two annulars, be furnished with aptly suitable stopping device 66.
The stop pin 67 that stopping device 66 comprises the sidewall 6b place that exemplarily is arranged in the second housing member 6, it screws in the axial screw thread hole 68 that hides intercept 56.It stretches out in the axial direction and surpasses the end face 57 that hides intercept 56.Aptly, its week that is located at the second carrying intercept 47b upwards directly is connected in the zone at a place in interior locking projection 46b.
The other constituent element of stopping device 66 is the stop surfaces 72 that are arranged in the sidewall 5b place of the first housing member 5.It is positioned on the circumference identical with stop pin 67 about the longitudinal axis 3 as center.It directly is connected to a place in outer locking projection 46a aptly.
When these two housings 5,6 are plugged together, stop pin 67 is invaded in the external series gap 48a limited by stop surface 72 on a side.Can make now these two housing members 5,6 rotate until stop pin 67 is encountered stop surface 72 relative to each other.Then find the desirable relatively rotation place between these two housing members 5,6, bayonet mount 45 correctly works therein.
Bayonet mount 45 yet is associated with insurance device 73 aptly, utilizes it to realize the counterrotating stop between these two housing members 5,6 after setting up the bayonet socket connection.Can prevent from by mistake unclamping bayonet socket in this mode connects.
Exemplarily, insurance device 73 is formed by stopping device 66 at least in part.More precisely, stop pin 67 also works as arming pin 74, but when reaching in the rotary angle position of pursuing between these two housing members 5,6 its form fit ground insert the first housing member 5 longitudinal axis 3 axially in the locking recess 75 of adjacent stop face 72.Locking recess 75 especially is connected to stop surface 72 places in axially-extending section.
Arming pin 74 is threaded especially, and it can be contained in tapped hole 68 with screwing.For locking with guarantee can utilize from the outside suitable screwing tool that it is tightened here at the relatively rotation place between these two housing members 5,6, make it invade in locking recess 75.
It should be understood that insurance device 73 also can be independent of stopping device 66 and construct.
Claims (15)
1. a fluid actuated diaphragm driver, it is with housing (2) with longitudinal axis (3), described housing (2) has on the axial direction that is respectively formed at described longitudinal axis (3) two the distolateral end walls (5a that has spacing ground relatively to put, two hood-like housing members (5 of one 6a), 6), it has respectively the sidewall (5b by ring-type, opening (7a 6b) surrounded, 7b) and it is at housing inner chamber (8) and opening (7a facing each other, be placed to coaxially under common restriction 7b) and locate each other and at the described sidewall (5b of ring-type, in zone 6b), pass through by described housing member (5, 6) the locking projection (46a connect after, the bayonet mount (45) 46b) formed is fixed to one another, and with driver element (4), it comprises and is fixed on two described housing members (5, diaphragm (13) 6) and can axial deflection, described diaphragm (13) transmission ground with can slide through described end wall (5a, the body of rod of at least one 6a) (17) be connected and its by described housing inner chamber (8) Fluid Sealing be divided into axially two adjacent (15a of working room, 15b), wherein at least one can load by fluid, it is characterized in that, locking projection (the 46a of described bayonet mount (45), 46b) by two described housing members (5, 6) from any visual angle, invisibly hide here from the outside.
2. diaphragm driver according to claim 1, it is characterized in that, described sidewall (the 5b of two ring-types, 6b) in axially invading each other, wherein, the footpath upwards described sidewall (5b) in outside has the outer locking projection (46a) of radially inwardly stretching and footpath upwards is arranged in the described sidewall (6b) of the inside and has the interior locking projection (46b) that radially outward is stretched, and wherein, described outer locking projection and interior locking projection (46a, 46b) with axial vane surface each other to the locking side along (54a, 54b), radially be stacked.
3. diaphragm driver according to claim 2, it is characterized in that, described sidewall (the 5b of two ring-types, 6b) in forming position in the situation that the outer surface (61) of described housing (2) is that locate and closing line that be concentric with described longitudinal axis (3) (55) is placed to each other and locates, wherein, two sidewall (5b, described locking projection (46a 6b), 46b) be arranged in the zone of the inboard relative with outer surfaces described housing (2) (61) described closing line (55) and by two described sidewall (5b, the intercept of locating relatively to put at described closing line (55) 6b) hides outward.
4. diaphragm driver according to claim 3, is characterized in that, by the relatively axial of two described sidewalls (5b, 6b), two end faces (52a, 57) ring-type that put and facing each other form described closing line (55).
5. according to the described diaphragm driver of any one in claim 2 to 4, it is characterized in that, described outer locking projection (46a) footpath is upwards located and another sidewall (6b) of carrying described interior locking projection (46b) has that construct and the covering intercept (56) ring-type that radially outward is stretched in flange-type ground at the interior carrying intercept (47a) that is arranged in the ring-type of a sidewall (5b), and its end face (52a) that reaches described carrying intercept (47a) before.
6. diaphragm driver according to claim 5, it is characterized in that, described interior locking projection (46b) footpath upwards is arranged in outside the carrying intercept (47b) of the ring-type of a sidewall (6b) and locates, described carrying intercept (47b) stretches in the carrying intercept (47a) of ring-type of another sidewall (5b) coaxially, wherein, described carrying intercept (47b) is upwards surpassed outward with one heart by described covering intercept (56) footpath of ring-type.
7. according to the described diaphragm driver of any one in claim 2 to 6, it is characterized in that, all the described locking side of locking projection (46a, 46b) is extended without gradient ground along (54a, 54b) in the plane of the longitudinal axis perpendicular to described housing (2) (3).
8. according to the described diaphragm driver of any one in claim 1 to 7, it is characterized in that, at two described sidewall (5b, 6b) locate to be furnished with and limit described housing member (5 setting up when described bayonet socket connects, the stopping device of relative rotation angle 6) (66), it also causes the counterrotating stop in set up bayonet socket connects aptly.
9. diaphragm driver according to claim 8, it is characterized in that, described stopping device (66) comprises and is arranged in the stop pin (67) that a sidewall (6b) is located, it is for limiting rotation angle and be arranged in stop surface (72) acting in conjunction that another sidewall (5b) is located, wherein, described stop pin (67) can be introduced in the locking recess (75) of the described sidewall (6b) with described stop surface (72) for the absolute rotation stop that connects described housing member connected to one another (5,6) by described bayonet socket.
10. according to the described diaphragm driver of any one in claim 1 to 9, it is characterized in that, described housing (2) has into the center intercept (62) of outer cylinder profile, respectively is connected with into the outer surface intercept (65a, 65b) of truncation taper profile on it locates axially in both sides.
11. according to the described diaphragm driver of any one in claim 1 to 9, it is characterized in that, described diaphragm (13) is in tensioning under axial pretightening between two described sidewalls (5b, 6b).
12. according to the described diaphragm driver of any one in claim 1 to 11, it is characterized in that, by described diaphragm (13) two working rooms (15a, 15b) separated from one another can fluid load and/or one (15a) in described working room in be furnished with the return spring device (33) during described diaphragm (13) is tightened to home position in advance.
13. according to the described diaphragm driver of any one in claim 1 to 12, it is characterized in that, described diaphragm driver has preferably at least one stroke limiting element (36) of ring-type, and it can fix or be fixed on the internal surface place of associated described end wall (5a) at least one working room (15a) and it limits the maximum stroke length of described diaphragm (13).
14. according to the described diaphragm driver of any one in claim 1 to 13, it is characterized in that, in described housing member (5,6) one has especially the fixed interface (35) by the central authorities that coaxially form in the tapped hole of the longitudinal axis (3) of described housing (2) outside in distolateral end wall (6a) center.
15. according to the described diaphragm driver of any one in claim 1 to 14, it is characterized in that, described diaphragm driver is equipped with the position detection device (37) of at least one occupied relative position about described housing (2) for detection of the driver element (4) that comprises described diaphragm (13) and the described body of rod (17).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011015646.1 | 2011-03-31 | ||
| DE102011015646A DE102011015646A1 (en) | 2011-03-31 | 2011-03-31 | Fluid operated diaphragm drive |
| PCT/EP2012/001023 WO2012130379A1 (en) | 2011-03-31 | 2012-03-08 | Fluid-actuated diaphragm drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103443477A true CN103443477A (en) | 2013-12-11 |
| CN103443477B CN103443477B (en) | 2016-07-13 |
Family
ID=45878897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280016535.7A Expired - Fee Related CN103443477B (en) | 2011-03-31 | 2012-03-08 | Fluid actuated diaphragm driver |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2691658B1 (en) |
| CN (1) | CN103443477B (en) |
| DE (1) | DE102011015646A1 (en) |
| WO (1) | WO2012130379A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107850095A (en) * | 2015-07-14 | 2018-03-27 | 株式会社普利司通 | Fluid hydraulic actuator |
| CN109416061A (en) * | 2016-07-11 | 2019-03-01 | 费斯托股份有限两合公司 | The manipulation unit of the diaphragm driver of fluid manipulation and the method manufactured for it and the diaphragm driver equipped with it |
| CN109642594A (en) * | 2016-07-11 | 2019-04-16 | 费斯托股份有限两合公司 | Fluid control type diaphragm driver and the valve module for being equipped with it |
| CN110439874A (en) * | 2019-08-23 | 2019-11-12 | 江苏神通阀门股份有限公司 | A kind of rubber diaphragm life test air cylinder device |
| CN114104140A (en) * | 2021-11-18 | 2022-03-01 | 杭州电子科技大学 | Quadruped robot driven by rotary rolling diaphragm and multi-modal driving method thereof |
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| US9568117B2 (en) | 2012-11-16 | 2017-02-14 | Ge Oil & Gas Pressure Control Lp | Combination diaphragm piston actuator |
| US9212758B2 (en) * | 2012-12-31 | 2015-12-15 | Ge Oil & Gas Pressure Control Lp | Quick connect valve actuator |
| US11015733B2 (en) | 2012-12-31 | 2021-05-25 | Ge Oil & Gas Pressure Control Lp | No-bolt latching system |
| US10132422B2 (en) | 2012-12-31 | 2018-11-20 | Ge Oil & Gas Pressure Control Lp | Compound express actuator connection |
| US10480675B2 (en) | 2012-12-31 | 2019-11-19 | Ge Oil & Gas Pressure Control Lp | No-bolt security latching system |
| US11326712B2 (en) | 2012-12-31 | 2022-05-10 | Baker Hughes Oilfield Operations Llc | No-bolt valve assembly system |
| US9759240B2 (en) | 2012-12-31 | 2017-09-12 | Ge Oil & Gas Pressure Control Lp | No-bolt security latching system |
| US11015732B2 (en) | 2012-12-31 | 2021-05-25 | Ge Oil & Gas Pressure Control Lp | Axially restricted pressure shuttle |
| DE102013016350B3 (en) * | 2013-10-01 | 2015-01-22 | Festo Ag & Co. Kg | Fluid operated diaphragm drive |
| US10578220B2 (en) | 2017-02-27 | 2020-03-03 | Bimba Manufacturing Company | Proportionally controlled pinch valves, systems and methods |
| DE112018007318A5 (en) * | 2018-05-23 | 2020-12-03 | Festo Se & Co. Kg | Equipment and process valve assembly |
| EP3822590B1 (en) * | 2019-11-12 | 2022-06-29 | Siemens Aktiengesellschaft | Explosion-proof pressure-tight housing |
| US11466783B2 (en) | 2020-03-25 | 2022-10-11 | Baker Hughes Oilfield Operations Llc | Side entry valve |
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- 2011-03-31 DE DE102011015646A patent/DE102011015646A1/en not_active Withdrawn
-
2012
- 2012-03-08 EP EP12710443.8A patent/EP2691658B1/en not_active Not-in-force
- 2012-03-08 WO PCT/EP2012/001023 patent/WO2012130379A1/en active Application Filing
- 2012-03-08 CN CN201280016535.7A patent/CN103443477B/en not_active Expired - Fee Related
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| EP0451638A1 (en) * | 1990-04-11 | 1991-10-16 | Knorr-Bremse Ag | Brake cylinder for vehicles, especially commercial vehicles |
| DE19642329A1 (en) * | 1996-10-14 | 1998-04-16 | Knecht Filterwerke Gmbh | Bayonet lock for interconnected fluid pipes |
| US7048342B1 (en) * | 2004-01-27 | 2006-05-23 | Robert Bosch Corporation | Housing for a brake booster |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107850095A (en) * | 2015-07-14 | 2018-03-27 | 株式会社普利司通 | Fluid hydraulic actuator |
| CN109416061A (en) * | 2016-07-11 | 2019-03-01 | 费斯托股份有限两合公司 | The manipulation unit of the diaphragm driver of fluid manipulation and the method manufactured for it and the diaphragm driver equipped with it |
| CN109642594A (en) * | 2016-07-11 | 2019-04-16 | 费斯托股份有限两合公司 | Fluid control type diaphragm driver and the valve module for being equipped with it |
| US10753378B2 (en) | 2016-07-11 | 2020-08-25 | Festo Se & Co. Kg | Fluid-actuated diaphragm drive, and valve arrangement which is equipped therewith |
| CN109416061B (en) * | 2016-07-11 | 2021-02-09 | 费斯托股份两合公司 | Actuating unit of a fluid-actuated diaphragm drive, method for the production thereof, and diaphragm drive equipped therewith |
| CN110439874A (en) * | 2019-08-23 | 2019-11-12 | 江苏神通阀门股份有限公司 | A kind of rubber diaphragm life test air cylinder device |
| CN114104140A (en) * | 2021-11-18 | 2022-03-01 | 杭州电子科技大学 | Quadruped robot driven by rotary rolling diaphragm and multi-modal driving method thereof |
| CN114104140B (en) * | 2021-11-18 | 2022-08-26 | 杭州电子科技大学 | Quadruped robot driven by rotary rolling diaphragm and multi-modal driving method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103443477B (en) | 2016-07-13 |
| DE102011015646A1 (en) | 2012-10-04 |
| EP2691658A1 (en) | 2014-02-05 |
| WO2012130379A1 (en) | 2012-10-04 |
| EP2691658B1 (en) | 2017-02-15 |
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